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 ₱2.5M contract to ARAC CONSTRUCTIONCities
Transaction hash:
57729208dd19c83ed2e5a89f841a7d476f15e86a94d31f869decdeeb1c883ba4
Status:
Included and unchanged
Block:
#1,879 4,134 blocks after it
Position in block:
Transaction 33 of 94
Award day:
Oct 3, 2013 (13 yrs 1 mo ago)
From:
Value:
₱2,492,280.00
Project:
Concreting of Rds.
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 #1,879 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 2013-10-03.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 57729208dd…883ba4now …
- 2. Block Merkle root changedstored 40399a4278…8b7eddnow …
- 3. Block #1879 hash changedstored 564b306ca2…cd462fnow …
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 93 records. Each step hashes the current value together with the sibling shown.
- leaf 57729208dd19c83ed2e5a89f841a7d476f15e86a94d31f869decdeeb1c883ba4
- 01 L 57517b165343b4d70317449643766e696bd9ccc034777c8c6fd63f133f398ceb
- 02 R 0a18e4706ce747841473adddceb3359c738876b84ab503b2d11aaa4adcbc4e2e
- 03 R e7d6269696ddc829fb4147ffee43fecfb8ead5dbf97ed9d4e734ce93efb39184
- 04 R 4409e8604b24f14987d3874e965d4737562c03ffca703208c8d37c7d3189eb9a
- 05 R 5817ee06614dd9d3482d3b15c62c1f29e7e2f25e4b7651cc9b64fd98db7b29eb
- 06 L 31faac5da2ec40e5d55f1b0f54e7310f8250e5797e27ea2920c22eacbe488953
- 07 R 6a77dd94e4420781cacb5975a908805049f2f7b77887c305c086810e2fc6537c
- root 40399a4278cc6432bb009f62d33bb8c4d9ba88ae76161c259bd40deb858b7edd