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 NAVOTAS Award a ₱284.3K contract to TM ABAD CONSTRUCTIONCities
Transaction hash:
b3db3496e9dfe4cd02b490c3e8ab58519b9340ca1619065f066d1a5670cb1cd6
Status:
Included and unchanged
Block:
#1,598 4,415 blocks after it
Position in block:
Transaction 51 of 81
Award day:
Oct 30, 2012 (14 yrs ago)
From:
Value:
₱284,262.53
Project:
3
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 #1,598 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 NAVOTAS awarded it to TM ABAD CONSTRUCTION on 2012-10-30.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 Navotas gave a "unmodified" 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 b3db3496e9…cb1cd6now …
- 2. Block Merkle root changedstored 0ed11e4eae…880c10now …
- 3. Block #1598 hash changedstored 6a2afef91e…bcaa68now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 80 records. Each step hashes the current value together with the sibling shown.
- leaf b3db3496e9dfe4cd02b490c3e8ab58519b9340ca1619065f066d1a5670cb1cd6
- 01 L b2480231ab7a6a78298b8d9b7785061c05a7a9be9ffd8e9829fc9c4e2da12d05
- 02 L 156075638f027075d35fd338025ff3968c14bfadf7a90fdd429e7a8339902475
- 03 R 6a7d9c9d435c3e9966eb4ab20b4fbe79616ed2b4c2095ecd62190359d766d180
- 04 R b3c1e5d767721b53b0b40f78277d0004b54ecc09272b1bf34eb4b9c5fc9d811e
- 05 L 1a081f9877170a122a71c5d132d1919b809322b0814b3add66e5238b0892b5a8
- 06 L 5bc2c5d352d9ab0752b940174ba7812edab85217b599560fd64cfae68c911832
- 07 R f2a25f5b1a29e37596189a348a712fd1a4dda69b325390dcd17e5180d179fdb5
- root 0ed11e4eaed3c72ac72a8bb8cde708c559ccf75230f4b0999b8f0d1265880c10