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
PROVINCE OF BATAAN Award a ₱101.4K contract to L.R. DE GUZMAN CONSTRUCTIONProvinces
Transaction hash:
ba4e6f0fb3ea35e28d2b283d3b28df0b685856ef412fd6112044fe5721aca9a4
Status:
Included and unchanged
Block:
#1,707 4,306 blocks after it
Position in block:
Transaction 309 of 420
Award day:
Mar 18, 2013 (13 yrs 7 mo ago)
From:
Value:
₱101,400.00
Project:
Aggregate Base Coarse
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 #1,707 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)PROVINCE OF BATAAN awarded it to L.R. DE GUZMAN CONSTRUCTION on 2013-03-18.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 Bataan gave a "qualified" 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 ba4e6f0fb3…aca9a4now …
- 2. Block Merkle root changedstored df25d49168…a0bb37now …
- 3. Block #1707 hash changedstored d0397d554f…f96ff7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 419 records. Each step hashes the current value together with the sibling shown.
- leaf ba4e6f0fb3ea35e28d2b283d3b28df0b685856ef412fd6112044fe5721aca9a4
- 01 L b9356281ddd9d3cd453a9a6b6de6d8724cc36537e240f8c3dd16006f3262e289
- 02 R 95607d8867dca3a5836e3dfa1575aa1c01aa93e59e76c572d3204692b522cb6f
- 03 L 63a16c237055206864eb925e6129cff71711e720ca6368e571fc00240d6492ba
- 04 R 5225674cf49580d6b79e4f1137b1c9e3f745ab139313000e4e72eb33a9b26efc
- 05 L dac53bcdfee0c3048ff9144afa37195919c302dafdb9fd53fca4314baba4b903
- 06 L c731730742249ed060eaa07e8a3662a73970508665e604bcfb9bec65e7e28fa0
- 07 R bfa7c0ce3a08fb543cc0657311a0839d7677516eca88cb3d16dbbfa83d0f8022
- 08 R f308bc26ce9ea9d78b6714a108229dbc2f54883303c91f90cbccd56f992a77c9
- 09 L 77ef880b0aad2adc26b59cf368b05681d7ecad92c1f44877628b6d31ab141b6a
- root df25d49168018cb2d131af85d1d2be3685fb90230277c94c3563e66026a0bb37