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 ₱4.3M contract to EARTHWORK MOVERSCities
Transaction hash:
c97ca3067eb3e405eb6adceae2bd9850f4c3769e052288da8779bf448d562546
Status:
Included and unchanged
Block:
#1,636 4,377 blocks after it
Position in block:
Transaction 11 of 15
Award day:
Dec 12, 2012 (13 yrs 11 mo ago)
From:
Value:
₱4,334,046.93
Project:
CRN 031 (ROADS & 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 #1,636 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 EARTHWORK MOVERS on 2012-12-12.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 c97ca3067e…562546now …
- 2. Block Merkle root changedstored f808020533…9db07bnow …
- 3. Block #1636 hash changedstored 31ff58789f…9e0131now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.
- leaf c97ca3067eb3e405eb6adceae2bd9850f4c3769e052288da8779bf448d562546
- 01 L bfc27fcbd220e186c4537ef328e09361c3ae3774fcbb040484cf6724e333f121
- 02 L 962e55ce6cba3fdf8391fb5a2065439221029e60fdfe36365a7db7d51a1328dc
- 03 R e0549bbe022d24f3f79e9afaeff1a6971796090e37b569ab6dde90a26247e3ff
- 04 L bdbc50931db0873ccdcf7ce8b99222cb6dad726bc8d839112b45672296cce25d
- root f80802053368e9d52cc5e0c534ccab3b30c43b012132992939e35255689db07b