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 LAS PIÑAS Award a ₱1.9M contract to E.M. ANGELES ENTERPRISESCities
Transaction hash:
b635cbcb03fb05ab860d2f4b1de64ff629b97a96b7085bb856921d3325baf2d1
Status:
Included and unchanged
Block:
#1,805 4,208 blocks after it
Position in block:
Transaction 51 of 71
Award day:
Jul 17, 2013 (13 yrs 3 mo ago)
From:
Value:
₱1,878,289.00
Project:
Slope Protection Works
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 #1,805 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 LAS PIÑAS awarded it to E.M. ANGELES ENTERPRISES on 2013-07-17.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 Las Piñas 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 b635cbcb03…baf2d1now …
- 2. Block Merkle root changedstored 44618e78e9…e8dda5now …
- 3. Block #1805 hash changedstored 6b6d8567bb…bccef3now …
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 70 records. Each step hashes the current value together with the sibling shown.
- leaf b635cbcb03fb05ab860d2f4b1de64ff629b97a96b7085bb856921d3325baf2d1
- 01 L b46263ed440b164342cb8417cc06ff4c06ba6cb0d088cce4b84943e9afa4e228
- 02 L 34d71924f7cbd3df7e88144fa7ae234d0345bb4dd97b068092c75c24574811c4
- 03 R 1807bd2515fe076affb6e17f0ee64e6f47854a6219e0669859011e7695b6b27f
- 04 R e192c9ca4f7504684d855b84741365bbdd25d1550c222ae749361e27edc6f30f
- 05 L 9db476245406f8f473589625cc7ee8643189d9287978371cf2d2565552043a18
- 06 L ec3a61347654facc2d8f4636c2e8b42722a9c6df4444c47bf92557b3921fbde6
- 07 R 82711b45dd5928ebc4c4b946f60545db9b86ac39fb01fb025726fbfcd53d4790
- root 44618e78e9cddee92a3b6a2e10528f5f054b6fc0463a6ee53943e9e43be8dda5