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 VALENZUELA Award a ₱2.4M contract to R.G. MACASPAC CONSTRUCTION & ENGINEERING CONSULTANTCities
Transaction hash:
c92ee00d91fc4553582ba9bc91477e80f038f9e455ecf2338d685af6439ff0c6
Status:
Included and unchanged
Block:
#1,472 4,541 blocks after it
Position in block:
Transaction 45 of 53
Award day:
Jun 4, 2012 (14 yrs 5 mo ago)
From:
Value:
₱2,369,925.61
Project:
CRN 010 (SCHOOL)
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 #1,472 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 VALENZUELA awarded it to R.G. MACASPAC CONSTRUCTION & ENGINEERING CONSULTANT on 2012-06-04.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 Valenzuela gave a "unmodified" 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 c92ee00d91…9ff0c6now …
- 2. Block Merkle root changedstored edc4210b8a…8906dbnow …
- 3. Block #1472 hash changedstored 56b645b806…dce79bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 52 records. Each step hashes the current value together with the sibling shown.
- leaf c92ee00d91fc4553582ba9bc91477e80f038f9e455ecf2338d685af6439ff0c6
- 01 L c5c42f751be357db1f8497072e65ca512fb25c131fb1136914b6f699ad9c95cd
- 02 R a7db6cfb5ac8225e18c6f2f1a75176576cf7b7894df6d63fd322f0b0df41f30d
- 03 L 4f3a16bf02bfd9575e095865ff675e73fe4cfb9600035e3b08e823b425ac2870
- 04 L 5597ea7ed457a00f335121a3dbdb2d217d408a3ecc137722865bdded83d29d6f
- 05 R d598e9e120857677fa942694601854136ab1d7771763f182da866b267927ebed
- 06 L f5021972d452fff03fd48cd6d2d9ba0ecc3fdd86b09c509e7297ea3aa0886e19
- root edc4210b8a1b1df59abb11b565f9917e30b634c8abc32567e4e28380258906db