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 ₱682.0K contract to ARAC CONSTRUCTIONCities
Transaction hash:
d8b64e39c52c8fef884fe7b3d9f58b0a6b5d246e83357ab3472f200fd08fcddd
Status:
Included and unchanged
Block:
#357 5,656 blocks after it
Position in block:
Transaction 18 of 21
Award day:
Jun 11, 2008 (18 yrs 5 mo ago)
From:
Value:
₱681,973.00
Project:
Improvement of Road
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 #357 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 2008-06-11.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)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 d8b64e39c5…8fcdddnow …
- 2. Block Merkle root changedstored 7959be596d…7ebaf2now …
- 3. Block #357 hash changedstored 92c354ca20…0dba60now …
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 20 records. Each step hashes the current value together with the sibling shown.
- leaf d8b64e39c52c8fef884fe7b3d9f58b0a6b5d246e83357ab3472f200fd08fcddd
- 01 R dd115224adf240143c30f7324f1202e45a703c32a086e7b6c443045320a1c817
- 02 L e943373a63b30759eed898abfcbea425ec412cccdee6886a6992a05a26f3b37c
- 03 R 4f7f16ede0da37aedbbc0a7b647bd8607990d4a0409f9a0e0ecf97ca1f8fed5c
- 04 R 0978662ecb4a4dafbf484ebfc6b78308a2a43ff4f27eead2f2c15b090850dad4
- 05 L 8f9f0e3c03caae9ec75baf891747339208a2ebb59c9879a0a89330009808199a
- root 7959be596d1e9392df9b7f1e9ec46862c235b795c00e18ba46fcf0863f7ebaf2