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 EDUCATION - DIVISION OF CAMARINES NORTE Award a ₱673.5K contract to EPL GENERAL CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
c2b558cdcc823b3b417da31f767610aa1e0d2ea03b0bcb9cb52c7b5b997ef1a3
Status:
Included and unchanged
Block:
#4,669 1,344 blocks after it
Position in block:
Transaction 101 of 146
Award day:
Dec 24, 2021 (4 yrs 10 mo ago)
Value:
₱673,491.34
Project:
Repair
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 #4,669 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 EDUCATION - DIVISION OF CAMARINES NORTE awarded it to EPL GENERAL CONSTRUCTION & SUPPLY on 2021-12-24.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 c2b558cdcc…7ef1a3now …
- 2. Block Merkle root changedstored 5f1de6cf26…590f7dnow …
- 3. Block #4669 hash changedstored df4e80eba0…6b6ac3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 145 records. Each step hashes the current value together with the sibling shown.
- leaf c2b558cdcc823b3b417da31f767610aa1e0d2ea03b0bcb9cb52c7b5b997ef1a3
- 01 L bceeb5221c4a46caa814e352ea771ea007e785a46a01c907568b8371c95cf485
- 02 R 0a457fab787e0f90bfabfd2605e4d2089d12f6a626a7d10b2938b6f6479b52a8
- 03 L 5c1256a6f50a243877dc27426068b2b0eeaadfc7c8b38ead2dcb03d8df512004
- 04 R 70ca35967d6ece2136c3b51ab64d0a5e996764159314cc7b0b93461fdb4dd361
- 05 R e91c792050d9b1e0c3935e2cba446626a1f3d218891d2e2f5dc5a25e5c0d25ec
- 06 L a680de097a5db7588883ca015b0bcc6882b8277b720337ad39b67b0f3dc18305
- 07 L a5a8dfd738e84769628b1404694533bf400194edd1d6b96bb9ae7369c1f0394f
- 08 R 2857674f95a7540aed907204c62664c760b02b90d9ec8ce7a08c5b856538f6d1
- root 5f1de6cf26bc353dacaf002616494283f5bc35c821e39193a670528cdf590f7d