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 ₱2.4M contract to FERCIA CONSTRUCTION FIRMCities
Transaction hash:
515afd0bc037fe34aa44a0dc3f60a7703bdcd761b5b72d27ee42fd030c0a7876
Status:
Included and unchanged
Block:
#2,387 3,626 blocks after it
Position in block:
Transaction 40 of 90
Award day:
Apr 23, 2015 (11 yrs 6 mo ago)
Value:
₱2,391,773.27
Project:
Improvement of Farm-to-Market Road / Construction/
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 #2,387 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 FERCIA CONSTRUCTION FIRM on 2015-04-23.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 515afd0bc0…0a7876now …
- 2. Block Merkle root changedstored 7ea6d02bed…eade93now …
- 3. Block #2387 hash changedstored 04649c432b…271d31now …
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 89 records. Each step hashes the current value together with the sibling shown.
- leaf 515afd0bc037fe34aa44a0dc3f60a7703bdcd761b5b72d27ee42fd030c0a7876
- 01 R 58a053d58fa039f0a6b4ea7a6325afe71a7c9ada02cee258f4653c0acae28900
- 02 R 35a458a99fc69d367d274b4f384e84c66e47a05b929547e73938d3a91b19027e
- 03 R 2c273ded0379444da9bcde3b5789669172ac9bacb04bd4579832c1cce63cb1a7
- 04 L 39d460f7319355b86c6575a72216ee9fe36ba63680d82c0f54885ef753dcec3b
- 05 R 96a72bd62932cc7c62917725c3409540eafddbd93ec5606531cf426b74ff8121
- 06 L d637073946459b81182d501a22dc056ccbfade3039f6efbba859697a28a4a0f7
- 07 R fc393c3d85afbb786814f0622d54cf2b06b5f54d681fa2d734e726a78239b238
- root 7ea6d02bedf44a47bf6c87b2cf2ad9f501099e9c8f681af267de8d600eeade93