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 ₱4.6M contract to ARAC CONSTRUCTIONCities
Transaction hash:
cba3e989994cd057a3a4e5cb6ef34914f4c31432060c64b9361206e5855ce59b
Status:
Included and unchanged
Block:
#1,628 4,385 blocks after it
Position in block:
Transaction 30 of 41
Award day:
Dec 4, 2012 (13 yrs 11 mo ago)
From:
Value:
₱4,636,775.00
Project:
Basketball Court
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 #1,628 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 2012-12-04.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 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 cba3e98999…5ce59bnow …
- 2. Block Merkle root changedstored a58768ab25…7e673cnow …
- 3. Block #1628 hash changedstored e43bb1821b…66500fnow …
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 40 records. Each step hashes the current value together with the sibling shown.
- leaf cba3e989994cd057a3a4e5cb6ef34914f4c31432060c64b9361206e5855ce59b
- 01 R d4578bc72b21feb71acfaff6de429e881064f27a0bc40f17ed69ed910e5dc9c9
- 02 L cc8a5b36a3e7e3e12921cc4ca1c3a1a1dbd3bd7659bf773b5c97a2a919db6d05
- 03 L 1272f7ad9b3c8bb93a317a773b98ef0628cc3d366e18e688b932cc749c2b79d2
- 04 L c8c266f2b1bfeb7b9ac03040f8649ee3cc1c2323622f693e396fe5faa8ccde2e
- 05 L 76dd3bf9466924f8eba9a5aa03ff42de982112f7c9e17a4e168693706d857218
- 06 R 0467314dae9b0778f1674b004422b48ec0ab6177f435804595fde48e0b23b5dc
- root a58768ab251e1dcf9be470ce596088aafc1a08c16fd6671264dc6394ac7e673c