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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBOANGA DEL NORT Award a ₱1.6M contract to A.I. YU BUILDERS & ENTERPRISESNational agencies
Transaction hash:
ffd1be0b568ff4e0cdc9d19bfad96c2433b295691cd5cd7dd62e9f7bf9c8b856
Status:
Included and unchanged
Block:
#5,364 649 blocks after it
Position in block:
Transaction 323 of 324
Award day:
Dec 21, 2023 (2 yrs 10 mo ago)
Value:
₱1,619,329.98
Project:
CONSTRUCTION PROJECTS
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 #5,364 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBOANGA DEL NORT awarded it to A.I. YU BUILDERS & ENTERPRISES on 2023-12-21.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ffd1be0b56…c8b856now …
- 2. Block Merkle root changedstored 38bfdc160b…e13604now …
- 3. Block #5364 hash changedstored 5b056f84fb…cca7a9now …
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 323 records. Each step hashes the current value together with the sibling shown.
- leaf ffd1be0b568ff4e0cdc9d19bfad96c2433b295691cd5cd7dd62e9f7bf9c8b856
- 01 L ff32e64d7829361acf0b4afa3cb63465e9b5a9a0bb89e52f77ddfc281a97e10b
- 02 L b9430723b1078a08d26079a175e826ce36d851129648c09363733edec483b201
- 03 R b5cec1dfa0a1495358405bb5fe2212103ce47aa129c3c4243268eb7fd0c80667
- 04 R b0da6d295b566ac7870b0d1e0fc715c707196716f34556d45927bf3faaf98a37
- 05 R 1f77929a093e541be365571878415587710e2d729176a2f6338a4e2fd3bed9fb
- 06 R 3cdaeb3ec4324f4270055905ff008476f8f294663504059788dc3a1fa67a5906
- 07 L 14d1c04bdff31931b5458eb1d2e929b6e33c65d14d68c8c9c9ec02b6164244e2
- 08 R 10feca986841bc89f8f547349442771a5db447e7f6af5afd521001080ed327b9
- 09 L c1e3f1751ae004b714b901a3800f9fd1285858888d4ce3582af08bc5f6b75358
- root 38bfdc160b4947f798f7c90cac6a2a208c662e64651c6a2f94cd665b9be13604