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 ₱2.4M contract to E.M. ANGELES ENTERPRISESCities
Transaction hash:
2b65c03bbca1cd742e7d5bb73bcd6b1a6bbc8c9be8a01904491a1826a81054b2
Status:
Included and unchanged
Block:
#577 5,436 blocks after it
Position in block:
Transaction 5 of 20
Award day:
Apr 16, 2009 (17 yrs 6 mo ago)
From:
Value:
₱2,400,000.00
Project:
Asphalting of Rd.
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 #577 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 2009-04-16.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 2b65c03bbc…1054b2now …
- 2. Block Merkle root changedstored 25b2646b24…5794f4now …
- 3. Block #577 hash changedstored c2a4a941a0…09f4c5now …
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 19 records. Each step hashes the current value together with the sibling shown.
- leaf 2b65c03bbca1cd742e7d5bb73bcd6b1a6bbc8c9be8a01904491a1826a81054b2
- 01 L 216ec0d2bcea04c9969b41e7d67a374f1d348d52e2f3d723615ba314cdb32180
- 02 R 81d391da5afa8f50033a5b2238801d1eef3ed2b282587552314f506f7613dd8e
- 03 L 8bb25a41ff22eb7ca095228b7d67b1a3e6433ebd460bcc0c0521a5d6af3ac49e
- 04 R d2cbad15fd7187ee12b9d15ca0ea1471cc351b083e39a459a8acc98492296e60
- 05 R 927528badfe96f1b9b301d11563a787e2271b54d08b7ef269827950914bf2284
- root 25b2646b2450158d20c9508f684bde05ece8cb990e24acd36da59c47ae5794f4