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
BARANGAY 02, SAN POLICARPO, EASTERN SAMAR Award a ₱198.5K contract to OBON CONSTRUCTION SERVICES OPCBarangays
Transaction hash:
3e8bfa2c792f160acaeee492ecd8a9aeda7f9ad9ff089d6bb0693dc1e53dda32
Status:
Included and unchanged
Block:
#5,882 131 blocks after it
Position in block:
Transaction 75 of 296
Award day:
Jun 17, 2025 (1 yr 4 mo ago)
Value:
₱198,535.31
Project:
Rehabilitation of Multipurpose Hall
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)BARANGAY 02, SAN POLICARPO, EASTERN SAMAR awarded it to OBON CONSTRUCTION SERVICES OPC 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 3e8bfa2c79…3dda32now …
- 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 3e8bfa2c792f160acaeee492ecd8a9aeda7f9ad9ff089d6bb0693dc1e53dda32
- 01 L 3dc703ed5b6c5ff37f1b355691685006f9e9845b538a3e5012932a964745122f
- 02 L 15d387f29e4aa3a077c8328eabc67f18bac6f93996729cb736d4550bbf250fe2
- 03 R f297b209543c83a48b9dfbf8b5dfa2880afcb04a4423ceef350a696fe846adb9
- 04 L 88d32e3282d723cb876d0d45d5b23dd5e3752df9699eee40bbbc3931734e654e
- 05 R 5b6cb38a5f0079dfb44cccac4575abc09eb997f4d7ebf3171348150d3e5edf60
- 06 R a6951f629c07a6f8c9f4d65cf48846548f08c350c2dd8ee4925ac22c55d54837
- 07 L 362aa2444d59b7834f22c45ebe04d284c5ce94c8cf0658ec4d9cc58928935dd1
- 08 R 2cf0af835049a65e81d36581a87a8eda4d4d39ae12de460af7a92d7e4b0f6cfd
- 09 R 121ce35c1bd8ce2653ef9dd202418cbc119ce54e3c401618954e559d91d11a25
- root 85503ab95ce8332ebd3446b120906601ef4d253567ec48bcbb80500df17cab7d