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 - PTED Award a ₱1.2M contract to AQUINO-DELA CRUZ ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
a2f78075d497f76ff72efc1edc288f9db565cbeb3e9f7293cf97373bf2cbe1bb
Status:
Included and unchanged
Block:
#491 5,522 blocks after it
Position in block:
Transaction 14 of 22
Award day:
Dec 11, 2008 (17 yrs 11 mo ago)
Value:
₱1,249,962.46
Project:
Rehab of FMR at Carasucan Sur, Asingan, Pangasinan
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 #491 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 - PTED awarded it to AQUINO-DELA CRUZ ENGINEERING AND CONSTRUCTION on 2008-12-11.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 a2f78075d4…cbe1bbnow …
- 2. Block Merkle root changedstored 7a954c2935…6318aanow …
- 3. Block #491 hash changedstored 9aa31388b3…7f4704now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.
- leaf a2f78075d497f76ff72efc1edc288f9db565cbeb3e9f7293cf97373bf2cbe1bb
- 01 R a4812031319c341f03c18578d75a354e7771670fab81b58d6bb2501ab1ed6a01
- 02 L bda9cd0846ade17a1e0ca2800965e4052039275864688f59a02d742de467fa11
- 03 L 5641988d95d0d30cff3d631f9347fbeb45a90b1f7f13eac7ba1ef4a31adab899
- 04 L 14969de74204e556fc3dc84a972aa4d6c37b2d70d5354788a4bcc1550146864d
- 05 R 042c9b480ec863c83cf714548cabdea857ffb1cc924b4d0f988f9f61bc70af3d
- root 7a954c2935186fc743780696299c814df673e6a08b430f686d72034be36318aa