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 ₱1.6M contract to ERNA CONSTRUCTION AND SUPPLIESCities
Transaction hash:
fcfc8cfe4ec36355a4dc76f488b66ec667da4b616fb074e1623e3cba27b2ee13
Status:
Included and unchanged
Block:
#2,971 3,042 blocks after it
Position in block:
Transaction 268 of 271
Award day:
Jan 25, 2017 (9 yrs 9 mo ago)
Value:
₱1,593,328.61
Project:
Concreting of Main Road / Improvement of Basketbal
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 #2,971 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 ERNA CONSTRUCTION AND SUPPLIES on 2017-01-25.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 fcfc8cfe4e…b2ee13now …
- 2. Block Merkle root changedstored 02ce1cc596…ac9009now …
- 3. Block #2971 hash changedstored b17bc3ae68…2d0837now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 270 records. Each step hashes the current value together with the sibling shown.
- leaf fcfc8cfe4ec36355a4dc76f488b66ec667da4b616fb074e1623e3cba27b2ee13
- 01 R fea39c6c82540af4d24842cd1d9727660526b4897ec3087551a239d7d730f5f3
- 02 R 62c1a97f645dd5ed130800f307d4861bb81b306a0fa153b63ec52014875ffcb2
- 03 L 77eeb5ae68409c99f3485a0965b04f40fd37eb76b9d028e31cb86b76accc1af5
- 04 L 717fcc746226e8d3096f52495db17c8d5ec6f704aecba3f628b40da5c07a0fa1
- 05 R 5261ff65786182e3fc4abc51a57765f1d4441e081976267fbc71276fa1552544
- 06 R 8706088e7220fa8bc1e339cff3851a58426ca81e98035f503cd133b12007fd37
- 07 R f1e09e94b5b13ae75036cb8e968f4b30d7ee763b2519262e2070ba0d34277231
- 08 R 09f55895c391638c1ee7ffd3762a6af2e908c493b8a08037a3e091315a4b601f
- 09 L 8a155216d2c6c2cbb6646b87fbddc22f4cf32ad744de5b7d539d1a7206451b97
- root 02ce1cc5966d543128723064131185b1fb3bf679acc240179f4359e20fac9009