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
MUNICIPALITY OF NAGUILIAN, LA UNION Award a ₱5.0M contract to E. E. MADAYAG CONSTRUCTIONMunicipalities
Transaction hash:
397fc05fbc96fa356373148f63cf7c3c12d8d8f1b08c5fa189e963ba87726447
Status:
Included and unchanged
Block:
#3,493 2,520 blocks after it
Position in block:
Transaction 47 of 205
Award day:
Aug 1, 2018 (8 yrs 3 mo ago)
Value:
₱4,998,237.56
Project:
CONSTRUCTION OF LEGISLATIVE BUILDING (PHASE I)
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 #3,493 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)MUNICIPALITY OF NAGUILIAN, LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2018-08-01.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 Naguilian 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 397fc05fbc…726447now …
- 2. Block Merkle root changedstored f367b136a0…4c5843now …
- 3. Block #3493 hash changedstored 6550d85d30…9246f9now …
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 204 records. Each step hashes the current value together with the sibling shown.
- leaf 397fc05fbc96fa356373148f63cf7c3c12d8d8f1b08c5fa189e963ba87726447
- 01 L 39615604ed14f732accb8acdd5a99823885daefc5f46eac8a23dd567cd776b0a
- 02 L b9e0a3b3159eea99e8f2b108683ba8d2c9b5141629a62c78948dfe55d5e94b8b
- 03 L 40ec35e8032a51a214ebd3a1ab5d86d02a2aac8aa87e24fdee72997cf165ed2b
- 04 L 74be1d76666b55cd07d648a74c5005d44797691cb0224e6d356d27980871c6b5
- 05 R 31492f53c430a9f03dcc809cba549beaf7581d4fee4e47d45700c7eeea9e0611
- 06 L 22077e0c8caae320e23e920a86d97138399ab04f0d148df2bba6f9ee068aa42a
- 07 R daca41379fcba4cfa40623f34e38f64b391f2d8d7edb94ce8973bef4120c8e88
- 08 R eff06bd109513862631c968954ff0bb0600b5602cdec0d948dbd07f6a70a957e
- root f367b136a000de62ada39ffeb17354cf9ab0d7952770dc481a7f3ef06c4c5843