DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-B Award a ₱231.1M contract to ALRIE CONSTRUCTION SERVICESNational agencies
Transaction hash:
73a76b02359ea27adee4d1e91484e4da29e645f83564f6f0921529fdaa011762
Status:
Included and unchanged
Block:
#5,813 200 blocks after it
Position in block:
Transaction 975 of 2,169
Award day:
Mar 27, 2025 (1 yr 7 mo ago)
Value:
₱231,112,705.52
Project:
25E00277
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,813 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-B awarded it to ALRIE CONSTRUCTION SERVICES on 2025-03-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 73a76b0235…011762now …
- 2. Block Merkle root changedstored 6a6fb163d9…56f81cnow …
- 3. Block #5813 hash changedstored 2a6a4a4560…7c063bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,168 records. Each step hashes the current value together with the sibling shown.
- leaf 73a76b02359ea27adee4d1e91484e4da29e645f83564f6f0921529fdaa011762
- 01 L 738ca0440b34ddc725527405dfb60b097e5920afcd0cc03ea73a8a1cca33e41b
- 02 L bb37ae6cbcf0057fe8bfd03638104b470387d17c367aba7bedd562b536b3c874
- 03 L 0c93e3211e73c87f11133540973ef6a2a00460c36522662d4ce422693ecc277e
- 04 L e074060a739034c66b4e52fb930e88d1a9b90d82e0babfcf67ab4e21e283d6af
- 05 R 63a16dfce846133f703171fe048813298f35245d47716e2af57264d4d7db0d71
- 06 R aa945ac7ff779e6aa510861e4858eca786d19527483562328c6e6a3e12484e11
- 07 L 5c66603e074fcf8c40c5d978d20dfd6fbf81109dc07cef482a302e4b9168eccf
- 08 L 437778ce4abdb06ed58bd06824e7241482fe680301eeeec8ab036f5810b918b6
- 09 L 0dc9b97f2ee48f3282806e79c091074a2136edd56c7b035879e43fad07cf5c98
- 10 L 213f097e6d191f6727b75cf5e3c22b1e1270fc35c4c0815d4fd2069f7acbcda6
- 11 R 68a3988b9485877a1052c1c0ccf329f94d0d20e8e079b4cd6a91eb0fae4f911a
- 12 R 858a15249454983f29abec6b81d19c7269c4fb6740e16fa13c016264082668ee
- root 6a6fb163d9356b3f95f4f8238cd16af50c94c8fe55f07bc4f3b040e31056f81c