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 BATANGAS Award a ₱472.3K contract to DC AMBAL CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
323a5f0cf2e33b2affaf1afa7dec856ba29d87942956cfa87b9c47a642b0dd6b
Status:
Included and unchanged
Block:
#4,644 1,369 blocks after it
Position in block:
Transaction 71 of 370
Award day:
Nov 29, 2021 (4 yrs 11 mo ago)
From:
Value:
₱472,311.13
Project:
Civil Works
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 #4,644 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 BATANGAS awarded it to DC AMBAL CONSTRUCTION AND SUPPLY on 2021-11-29.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 Batangas gave a "not stated" 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 323a5f0cf2…b0dd6bnow …
- 2. Block Merkle root changedstored 0433cff361…f6352bnow …
- 3. Block #4644 hash changedstored e608b293da…705a4enow …
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 369 records. Each step hashes the current value together with the sibling shown.
- leaf 323a5f0cf2e33b2affaf1afa7dec856ba29d87942956cfa87b9c47a642b0dd6b
- 01 L 31fc18a8e4a75ac9114aecd4a41f2d6b8ac272de5a7fa83ccda8f7f800cc5ab2
- 02 L 7754b517cff69258654d9dd9bd1b917c537d66b56c02fffec9b7dbb885aacc95
- 03 L 1f1ec40785856240b4fb43cd91764b4d88849c92707dc59c2c7de8b4d20693fa
- 04 R 2fc6c2c6e4017e8870b85fd0deb57029da73a9ae1b7fa57f199776a5f94b0dd2
- 05 R cd651ae511288ebe07c1bdd87ee2dc674006d84dac17f1896de9258b88b54d93
- 06 R 79c067f1f65420b85aa862c0a928fe1a6079481c93f0ff262bb2da7e2e6c8f88
- 07 L fbfac78bfcdc5dac96e2703775bffa569515e5d4bf0576c0c473120c0f44f29c
- 08 R ebc46000392a3ef4429987fe105d6cfaa72990a9097c49e319d560910f25c0d8
- 09 R b79713d7e1c9d579740b7eddb2c9a32b2e535ab11c71b5a95d2dc9c1355de991
- root 0433cff361931af3aa211fde4ca0d05fb54d0cfcdf74fa0d169150f275f6352b