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 ₱2.8M contract to ARAC CONSTRUCTIONCities
Transaction hash:
7ff1aabf854de47f7bbc22fdfe782f1ee0ccfef88fb4cda52a7c213dde08f18f
Status:
Included and unchanged
Block:
#3,836 2,177 blocks after it
Position in block:
Transaction 136 of 265
Award day:
Aug 1, 2019 (7 yrs 3 mo ago)
From:
Value:
₱2,752,888.00
Project:
Installation of Streetlights
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 #3,836 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 ARAC CONSTRUCTION on 2019-08-01.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 7ff1aabf85…08f18fnow …
- 2. Block Merkle root changedstored 9dfa48aa11…ce20d3now …
- 3. Block #3836 hash changedstored 47e33f7c62…efb320now …
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 264 records. Each step hashes the current value together with the sibling shown.
- leaf 7ff1aabf854de47f7bbc22fdfe782f1ee0ccfef88fb4cda52a7c213dde08f18f
- 01 R 7fff848c1810b08f39626f4d217038bea897cda540381fdb83126f007bc3c465
- 02 R 70d907ba9cb47694d044b2abd969aed79e99f1e8a107d6bb3d530d5f359d4361
- 03 R 0ae94c93a727bc5ebdb7d280238f5e136e88e64235f6773c5470221a4fb18acc
- 04 L 3a9b4b6ca950b72974688b728719bb86c48bbcab6e7f987432156d0117b3f699
- 05 R 5f838ba5238950b16e264c8e6716be87c4d760604a258c0f821664dd19c08ea9
- 06 R 74ef49979064f7586a799d0e27c0e1363816f7890ec4b2a2516944072c6cf457
- 07 R 80fb7c87f0ea1c25cb62df6419262061cf2f4e05efe7b7c58b84e74e67c0da1a
- 08 L ceb6fdc06f94e80ad02d3218ad6513cbb33b4cf4c7d138505097fb52d27e1245
- 09 R 972c0427bff57ab66be923bd74c232d63783317ccb9743d9aca831847f7d52f6
- root 9dfa48aa119155806103c73609036f947f268e911d6f2dc23d251767acce20d3