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
PROVINCE OF PAMPANGA Award a ₱1.1M contract to P.L.C. MANGILIMAN CONSTRUCTIONProvinces
Transaction hash:
b9c3abd1f96a40bd9be9edfc6c662b8d4228acf1cb88706e3f0a849719eedac1
Status:
Included and unchanged
Block:
#4,513 1,500 blocks after it
Position in block:
Transaction 39 of 50
Award day:
Jul 20, 2021 (5 yrs 3 mo ago)
From:
Value:
₱1,064,834.01
Project:
21-1483- To supply labor, materials and necessary
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 #4,513 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)PROVINCE OF PAMPANGA awarded it to P.L.C. MANGILIMAN CONSTRUCTION on 2021-07-20.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)COA's CY2024 audit of Pampanga gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 b9c3abd1f9…eedac1now …
- 2. Block Merkle root changedstored b3ab2e8424…764884now …
- 3. Block #4513 hash changedstored 0fd0164143…d64addnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 49 records. Each step hashes the current value together with the sibling shown.
- leaf b9c3abd1f96a40bd9be9edfc6c662b8d4228acf1cb88706e3f0a849719eedac1
- 01 L ae204053cbc6e5b80637b40f40ad78f9d30a5a2240a887695656dfdf63880528
- 02 L 62cb8c2f26fa7b2ce29f9053fb1734c808a034e2d9900754b7a9d0de96ae375e
- 03 L f98eead50a8602c93c24e2eefab7ed5053a9de2ba0270f8b22d4499e82174719
- 04 R 8911e0794f0899cb65e7773d839d70c93e5a9aed412c02e5bd2f253f55846d4c
- 05 R 28188956451d300ac8102323e87d320f56edac5e1e3c38759d10d63804937e00
- 06 L d24e56f62d6b97c61a7062654fbedb5318b4d278a5ff41a79c28e9201571b4f4
- root b3ab2e842400872754f18443a7a799830a45d2119991324dcce71706f1764884