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 ₱632.8K contract to MELTRI CONSTRUCTION SERVICESNational agencies
Transaction hash:
1c5ad7cfcfc63bddb7546d4ec4f9d6f8518b8e1df186391369957a5f743c9a23
Status:
Included and unchanged
Block:
#5,882 131 blocks after it
Position in block:
Transaction 36 of 296
Award day:
Jun 17, 2025 (1 yr 4 mo ago)
Value:
₱632,777.49
Project:
Installation of ACUs
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 #5,882 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 MELTRI CONSTRUCTION SERVICES on 2025-06-17.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 1c5ad7cfcf…3c9a23now …
- 2. Block Merkle root changedstored 85503ab95c…7cab7dnow …
- 3. Block #5882 hash changedstored 406156c116…b0b2bcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 295 records. Each step hashes the current value together with the sibling shown.
- leaf 1c5ad7cfcfc63bddb7546d4ec4f9d6f8518b8e1df186391369957a5f743c9a23
- 01 R 1d3d08f7f4ac0dea698450c76beaaed8fe633e0850eadc2d467dc2529e221386
- 02 R a726b9958c9e03be969a59ef4a7aa11a21ee5eb344550e1d5ccf711260f39f29
- 03 L 829b9c457dc7a418ccc037a3c8b2449922c611fe6549f2184320e631dc0f1c17
- 04 R 71ebe54af3bb0dc8fd72038cff95fbcdaa99e79463cfc10f87d6f914e67a347d
- 05 R 1091076117ab5b1714ee3b873427a18decc107d08e6708b9ab2d253170f117f5
- 06 L 2f1245aba4998229c2872b780086a9ccaa3355f4bb9a477099b9efbb54b39e0f
- 07 R a8c2f533242df7e32f5fd7d27b858dca8f467401771b02840312eff245336166
- 08 R 2cf0af835049a65e81d36581a87a8eda4d4d39ae12de460af7a92d7e4b0f6cfd
- 09 R 121ce35c1bd8ce2653ef9dd202418cbc119ce54e3c401618954e559d91d11a25
- root 85503ab95ce8332ebd3446b120906601ef4d253567ec48bcbb80500df17cab7d