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
PROVINCE OF ZAMBOANGA DEL NORTE Award a ₱8.8M contract to A.I. YU BUILDERS & ENTERPRISESProvinces
Transaction hash:
ffe2d88def5b8a6d9b60090b57c774663e65b768c6ed9fa321e173092a6a5632
Status:
Included and unchanged
Block:
#2,427 3,586 blocks after it
Position in block:
Transaction 149 of 150
Award day:
Jun 8, 2015 (11 yrs 5 mo ago)
Value:
₱8,773,660.40
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 #2,427 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)PROVINCE OF ZAMBOANGA DEL NORTE awarded it to A.I. YU BUILDERS & ENTERPRISES on 2015-06-08.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 Zamboanga del Norte 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 ffe2d88def…6a5632now …
- 2. Block Merkle root changedstored 7c4c48b137…9e5104now …
- 3. Block #2427 hash changedstored 6d775f7c9a…cacfc7now …
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 149 records. Each step hashes the current value together with the sibling shown.
- leaf ffe2d88def5b8a6d9b60090b57c774663e65b768c6ed9fa321e173092a6a5632
- 01 L ff38602459ac8ffcb8f64aa79ec1902a938eafbef67eacfa4fe2a9b372fb7c01
- 02 R 457d693b8f257b154ca07b01a242e6a59a5e4113e116243815047b82754047dd
- 03 L c5452bdcfaa6795424eeff432fd64329901a1c5601a1f1bbc02f93296d083785
- 04 R 9044fd69ebb5c3a2370cf46f04c04f9b6db1fda78ec2ece772273227e60b1282
- 05 L 1b7f84f42a5d01214f28c3295d49a187eceaab50200959a2436a2bc922fa6159
- 06 R 08da26515081e332e212fb77153f115d17705c80f775a0b1467a0a7298833fa9
- 07 R f4625a6a9be36c0290bafd7cc8d516ff671049424685e69368536214d51b6798
- 08 L c46d44f2d1bce9bd89692044fd0a7dc5848e0cdba93a76dfcf971be983817314
- root 7c4c48b13756a2967cd8c22f67fca798c8cab57caa90badc5264c9a8569e5104