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 ₱1.5M contract to GEL-TON CONSTRUCTIONCities
Transaction hash:
710677bbf43c38ff60d47e2a9caeb019f65d264de665b4f9d293a3b478202927
Status:
Included and unchanged
Block:
#2,900 3,113 blocks after it
Position in block:
Transaction 72 of 170
Award day:
Nov 8, 2016 (10 yrs ago)
Value:
₱1,497,095.48
Project:
Concreting of Road / Construction of Fence (Cluste
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 #2,900 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 GEL-TON CONSTRUCTION on 2016-11-08.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 710677bbf4…202927now …
- 2. Block Merkle root changedstored 8b2d8994e4…96de01now …
- 3. Block #2900 hash changedstored fa3be5ebeb…177f74now …
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 169 records. Each step hashes the current value together with the sibling shown.
- leaf 710677bbf43c38ff60d47e2a9caeb019f65d264de665b4f9d293a3b478202927
- 01 R 7256270073da94c70e944e0b4e17beaa3bbab26b91abc7134032a160f9fd69bd
- 02 R c26410938fdc54558a297d62f0d1af7e61486f7c8003b36bd4d684c4ad3fa5ac
- 03 R d957176b48880f542e83c6f55c5c1c63fbf66e1813875c291701f1fd25fef4eb
- 04 L 02f81434f6349eb051fd71b7e14c55fa867e5c2468fe19189caff71f57df3c7d
- 05 R ec3ad4072ed240f6a164a62a35993e8f05bc95f442443687ac8bd3235f52a896
- 06 R bde8febeae75a921b1492e0881177644e565564d762bbc999ab404b7e673c7ca
- 07 L 9756f5b76455ff57b597c290caa82d79defac058bbf8285913865e7546237949
- 08 R ff6e19569a953f90c6855b21254eccda89c2beb8220d98895dfd2948d6cfa4e6
- root 8b2d8994e435718c61a0bf90dfaa398f05129b757d264d0ec9dacf10dc96de01