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 ₱1.9M contract to SUPREME BUILDERS CONSTRUCTION AND TRADINGProvinces
Transaction hash:
27f02daaf89bbf53483369d09063d9673ef0b483b84cc77592bf7d3b21175161
Status:
Included and unchanged
Block:
#4,488 1,525 blocks after it
Position in block:
Transaction 31 of 233
Award day:
Jun 23, 2021 (5 yrs 4 mo ago)
From:
Value:
₱1,939,603.62
Project:
Concreting
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 #4,488 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 SUPREME BUILDERS CONSTRUCTION AND TRADING on 2021-06-23.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 27f02daaf8…175161now …
- 2. Block Merkle root changedstored bff9bc89f8…b36f45now …
- 3. Block #4488 hash changedstored a0bfaf8ef8…fca494now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 232 records. Each step hashes the current value together with the sibling shown.
- leaf 27f02daaf89bbf53483369d09063d9673ef0b483b84cc77592bf7d3b21175161
- 01 L 26f180ee17067b4b92caa6e44cc236d2180baa5bcd2fa1a29caedb6022642f8b
- 02 L 4b55493d17670606cb0b4f6a664cd2baacd3e72bb6c4d061b66250f7402768db
- 03 L e1632a7998f6f596efa7ab896727b154f1f62b52c4ef27bcd349b8f45063c0fe
- 04 L d82e7a57bbedae3ca9e701aee73d6a23201924eb7187857fe14d3b2c405618ff
- 05 L b9bd3a6f11f4734d07e39abda0a082ec22e2e8ad128b266558b6ca4bddd67482
- 06 R ada33ab1f5dac6bb9b7250203ef4a15f2566b1a122bf6c4cf30f0ee5392f6624
- 07 R e121c507e2ef85833d251862d016d3395f18ed024317c95a78a0c7dac761974e
- 08 R 7eee73abf17eb289fdddf172383d5741ce2911d10124a98da461eba47347bbb7
- root bff9bc89f8d475a183aa315476a95f282f33da20843523fa6f31dfd69eb36f45