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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱1.3M contract to TMC CONSTRUCTIONCities
Transaction hash:
24d4cae3f88ba54303be052d0b84fee70394fadfec6f24a28f252c6fcc248ebb
Status:
Included and unchanged
Block:
#1,686 4,327 blocks after it
Position in block:
Transaction 24 of 174
Award day:
Feb 21, 2013 (13 yrs 8 mo ago)
Value:
₱1,326,673.53
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 #1,686 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to TMC CONSTRUCTION on 2013-02-21.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 Zamboanga 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 24d4cae3f8…248ebbnow …
- 2. Block Merkle root changedstored bd1a99a83c…54f71anow …
- 3. Block #1686 hash changedstored 6de2cf2aee…50de6enow …
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 173 records. Each step hashes the current value together with the sibling shown.
- leaf 24d4cae3f88ba54303be052d0b84fee70394fadfec6f24a28f252c6fcc248ebb
- 01 R 26992ba6618b59bd10eeb9129f25565e101fa0a17e44bc62b7d5424d2b59cd10
- 02 R 6b49e2c49b2eaa6f2a486fcd8ace5be2cb443421283c44dae0d49d3dab9dcd36
- 03 R b2d4e4dd3c9d72543d4b0fb885f2be4166512cbf4e83874e629ad2cbd1c5fcc7
- 04 L 1de5d5559e7f29233e781a06b8127feb3d6cae6cd8bab30c79f9c31aab9af83b
- 05 L 697023b713ab99edd57cc6212a49772229df319ea5f1ac50b0a75b6dc230b428
- 06 R 0f73ff27163a3e763cf90ac67c14ad2149e1835543f6e69c786a745afa487ecb
- 07 R d2169ada7698efc4af93366e9f6a415d0942647ae0eff273c940e1981d109edc
- 08 R f94d6486bfb23c8042352082ea11c5291f373df14ec8bbaad4190e8d59f2a35b
- root bd1a99a83cd1d22a79eaa1181044330402061ae1528f654f1448e9579154f71a