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 - ILOCOS NORTE 1ST D Award a ₱4.7M contract to JC-08 BUILDERS CORPORATIONNational agencies
Transaction hash:
0c181fdaa2ef0e68f2d943f5600f8c00be74eb2a77dd4109db8b4b206a72b732
Status:
Included and unchanged
Block:
#5,979 34 blocks after it
Position in block:
Transaction 47 of 996
Award day:
Oct 3, 2025 (1 yr 1 mo ago)
Value:
₱4,746,690.43
Project:
25AA0194
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 #5,979 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 - ILOCOS NORTE 1ST D awarded it to JC-08 BUILDERS CORPORATION on 2025-10-03.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 0c181fdaa2…72b732now …
- 2. Block Merkle root changedstored 2b91e8b219…958b76now …
- 3. Block #5979 hash changedstored 20c952263e…4c9daanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 995 records. Each step hashes the current value together with the sibling shown.
- leaf 0c181fdaa2ef0e68f2d943f5600f8c00be74eb2a77dd4109db8b4b206a72b732
- 01 L 0bc1766dd87b039265e38a2fc2d39c778552d682313d23eb0c37332b321c85d9
- 02 L 72639c8b1ca411a3fe5e3cffa0af8cf36157d80f1056cd57067c61bbceee977c
- 03 L 870804b6760d1c14e516fd3bad6e74c48c32191e77c7310bc6396c84e5f1af57
- 04 L c58d58098d06d0d530db655ffb807800333eeded82ff6c8c6cf735199f442a31
- 05 R 98016e74a8b33d9c0730e437834e0fa916b7b2a04b610c76666761b2434bcf9e
- 06 L 6dfd995d6f7acb4ccc3ab6ac3b22c2afb92d2fa57235791154e6b7ef114ade4a
- 07 R 083cee24c4ebbbc30db0fbdd88e0a6df918e429d5f791af6398eede3b4a98b8e
- 08 R 01a32889c72901838f3aec7c4ef60e0f35f8d26402287a114365faa66bf7f756
- 09 R ef6ae6a9d0229a45bae4b9cc8fd8d1332fa21e27c091e1ef70a112a7dc28f0f8
- 10 R 29bf62bdb8465cd36626642d54d6267f8421db25c922a4d4f467f4141b3a5cc3
- root 2b91e8b2190ffcec8415576a83837688fb655e77d8d6acddebcc8c7b17958b76