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 VALENZUELA Award a ₱497.1K contract to A.R. LUSTRE JR. CONSTRUCTIONCities
Transaction hash:
e89f4ef0e809febf5b7d57ebc4a175dfb81f2ae19d5e532869298cd7b92f7721
Status:
Included and unchanged
Block:
#1,036 4,977 blocks after it
Position in block:
Transaction 47 of 56
Award day:
Dec 28, 2010 (15 yrs 10 mo ago)
From:
Value:
₱497,110.37
Project:
CRN 058 (IMPROVEMENT OF DRAINAGE)
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 #1,036 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 VALENZUELA awarded it to A.R. LUSTRE JR. CONSTRUCTION on 2010-12-28.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 Valenzuela 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 e89f4ef0e8…2f7721now …
- 2. Block Merkle root changedstored c2420ac0e9…1944eenow …
- 3. Block #1036 hash changedstored d7677a0cfa…d080f2now …
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 55 records. Each step hashes the current value together with the sibling shown.
- leaf e89f4ef0e809febf5b7d57ebc4a175dfb81f2ae19d5e532869298cd7b92f7721
- 01 L df1d9c63cf6610ce26fb54e26f3746465d97f16fb774a10d71f81d1bbe6eed8e
- 02 L 2cb4984dfb7b1e37b5224f3d40f3fbde3b3e3b5e0821c9161f3ac7d4c092a297
- 03 L 928e4e9dc1c2c0e15dffd0e4dac0e58c7f3bbb7f90b588600f907c10e54be123
- 04 L 41bc6adf3a2c357b960074782c456663fbd5ecdf9ea4f6c1b1b0bfba3bf58d2b
- 05 R f7872ef317c0e1570ca6e0679158e56efd756d3e258c41d32c0ffa296392d48a
- 06 L 907b03aedbf4682bcb09ae69a21361fa012ea31c3423224a94c75ad6a5adba45
- root c2420ac0e92eb21ffee5e39ee29a5ea0e325ade2d9afba750ba23faf781944ee