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 XII Award a ₱107.6M contract to J.G. ORANZA CONSTRUCTIONNational agencies
Transaction hash:
dda9fda1f27b27636573eb2e1e165629cb70b32a0f3def91f528c7bb5f96e5b0
Status:
Included and unchanged
Block:
#5,800 213 blocks after it
Position in block:
Transaction 1,170 of 1,359
Award day:
Mar 14, 2025 (1 yr 8 mo ago)
Value:
₱107,588,282.87
Project:
25M00177
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 #5,800 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 XII awarded it to J.G. ORANZA CONSTRUCTION on 2025-03-14.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 dda9fda1f2…96e5b0now …
- 2. Block Merkle root changedstored 27711962aa…614aaanow …
- 3. Block #5800 hash changedstored c41d061d08…da858fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,358 records. Each step hashes the current value together with the sibling shown.
- leaf dda9fda1f27b27636573eb2e1e165629cb70b32a0f3def91f528c7bb5f96e5b0
- 01 R ddcb8dab50f62113a52767efb692799f39ea9f219c2bf44a64f2deb3333d8fe9
- 02 L 490ecb9267eee5a58c3c4f299f7ff6e3198477cd3323d022a6b8937629e699c7
- 03 R 9370900932097f76127f9b8e827c47ac9b5278729588e8fb5f1d5dd9ac509fa4
- 04 R 492e8e55e665997ed83a2847ec75e67a4c134bebb4bc837264c7b0ce921af2ab
- 05 L 2d886043c5ae0bfadf68ccc892892e44ff40bc13d586935b4def187a08476d47
- 06 R 5b3ee52ee6e3e9e1ad5ef9e245ff972722b4f7cdb469b59cf2ae7bc6a3b0b394
- 07 R 524f157c22f6dbd0bd3be576797842a9770c678f44e27571bb67a401283b2030
- 08 L 6245a91f61f4a33601ad360b65aa80495c46a52463932803b6b79dbf29f9c536
- 09 R 5eb7f917ab18751c5cb436f06e7e07baaa5bcbec68321eab0c6c68694f804f4d
- 10 R 36e567e5e7d65f2e0c2cfdda080fb0bbbbd76d5fde3c52b9e7504a68d7db768c
- 11 L cebe2d619814b599f5fd0be1071eec641d506996469b020beb782e83fd9ab741
- root 27711962aab9c40ddbb99a008d66a9c263e3e0f42752066b60ead19443614aaa