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
CITY OF TANJAY, NEGROS ORIENTAL Award a ₱496.3K contract to SUPREME MEGA STRUCTURE BUILDERS, INC.Cities
Transaction hash:
cc586f017d7afaefbea88fca57e3ec9c01ac86fa23dfe448fd78a2e9a0badbfb
Status:
Included and unchanged
Block:
#4,011 2,002 blocks after it
Position in block:
Transaction 935 of 1,159
Award day:
Jan 31, 2020 (6 yrs 9 mo ago)
Value:
₱496,319.91
Project:
Construction Project
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 #4,011 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)CITY OF TANJAY, NEGROS ORIENTAL awarded it to SUPREME MEGA STRUCTURE BUILDERS, INC. on 2020-01-31.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 City of Tanjay 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 cc586f017d…badbfbnow …
- 2. Block Merkle root changedstored a8a930c29f…1d7e7dnow …
- 3. Block #4011 hash changedstored f7d009ab86…966135now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,158 records. Each step hashes the current value together with the sibling shown.
- leaf cc586f017d7afaefbea88fca57e3ec9c01ac86fa23dfe448fd78a2e9a0badbfb
- 01 L cb66355410abae6a6d78d286e26b43ca8fcb211daf01428bfa740330df7421bf
- 02 L 8391bc85a04351385205049e41c7f110d531808da5596e3a351ab3f55cc60797
- 03 L 70c3a9871ce3aa987b7bb018c329fe404719831395894830e6974e6f6932846e
- 04 R 41d7ee3ec16cf71530c9437325f9dd1a9727112646c26ad935142b17875e133b
- 05 R 50e623c2c75dfdbf1fffbcecfaa3b1d57937dd195d9f18cbf91ec724f1fa8c6a
- 06 L 8c3fc42e3fb601d43d26efb6b433f695ec7b4b6cf0d83cad7806a7043606ee64
- 07 R 6ff29086e27b7e60ecfbb2c083b7a6e4fd48af9fb476cdbf257317ad4a352743
- 08 L a6650bf78b92506a6b9977f3c7f48eaf9755f012f38f62fdd7d96d862c3db08d
- 09 L fe73648cf32569bf9c89975dd54412d9e46f18dc288507648a93a5ede67b1257
- 10 L a47dcd9c192359a07f2240369d5cb0f314c1e6dc51237233705a1136ecd56331
- 11 R 978efed595e8c57c040286c8b3a0cb5c9b830c59062b6c9b48d585351e1f8d63
- root a8a930c29f698deb4b8d8270b9b23ca335ad0993d94194e02acf8f97481d7e7d