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 SURIGAO, SURIGAO DEL NORTE Award a ₱897.4K contract to AMA CONSTRUCTIONCities
Transaction hash:
89f356bea018b36af2bc4f015f46907919adf5f3ee2c9d40e304abfd2727f410
Status:
Included and unchanged
Block:
#467 5,546 blocks after it
Position in block:
Transaction 2 of 7
Award day:
Nov 10, 2008 (18 yrs ago)
Value:
₱897,429.78
Project:
Construction of Guest House
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 #467 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 SURIGAO, SURIGAO DEL NORTE awarded it to AMA CONSTRUCTION on 2008-11-10.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 Surigao 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 89f356bea0…27f410now …
- 2. Block Merkle root changedstored 1b20fffbda…739bf0now …
- 3. Block #467 hash changedstored aaf2f860a9…1e08ednow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.
- leaf 89f356bea018b36af2bc4f015f46907919adf5f3ee2c9d40e304abfd2727f410
- 01 R b0612795f535d1dc1266b98513003acea985ffcec3fa0526a86acda1b1d8e897
- 02 L 7b706ec1323b145f583595c7aa520cf669d237bf9bb9abe310da5f469a98bb87
- 03 R 0523afc646eb67fb327e75d77f28bd5dcec14cccca306e5ddf13ce397a8e6f63
- root 1b20fffbdadcdff645dca813de908b789f9cf0364ddbb1f8576cdb3f0e739bf0