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
MUNICIPALITY OF DUERO, BOHOL Award a ₱199.8K contract to DMAM CONSTRUCTION SERVICESMunicipalities
Transaction hash:
508f4e7e9537d7bb3c0adc359ba3ebfe7e730cdb5aba6b8060a1ed0329c1affd
Status:
Included and unchanged
Block:
#4,605 1,408 blocks after it
Position in block:
Transaction 71 of 237
Award day:
Oct 21, 2021 (5 yrs ago)
Value:
₱199,812.00
Project:
Construction Projects
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 #4,605 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)MUNICIPALITY OF DUERO, BOHOL awarded it to DMAM CONSTRUCTION SERVICES on 2021-10-21.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 Duero 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 508f4e7e95…c1affdnow …
- 2. Block Merkle root changedstored 2ddfe8b67a…36feecnow …
- 3. Block #4605 hash changedstored 36bf8e335c…c29268now …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf 508f4e7e9537d7bb3c0adc359ba3ebfe7e730cdb5aba6b8060a1ed0329c1affd
- 01 L 4f295fafa73ff113cdbbd37c90611c1e8ab3c3ec03eed227812c021ff2ab02c6
- 02 L 1112e141d98046d75419804c29cf8b914a5bc1351faad1b448d3272d90f9cf75
- 03 L 272589fb5a140fd3b75feec3810428702bdf1d03b3fc094e14159425c0e94b24
- 04 R e5f16cf5435ffece8ab86c7dc1ec1bfaa390a5d860990a78a96ff3c95fa34f07
- 05 R 473361d1e8f7f67970bd33b1b308e72d9374fe389b5436c142383e135007b291
- 06 R 7a295f9c20b80ab41e9af6321d589a3f486426229d75bb3fc3b0097ab94862e0
- 07 L e28742a0e63e88ffbf712ead3b6df30c9e3ee3050f70d4ce857cc10d9dfa70b5
- 08 R 1e6decb52afd7465f6d251ff2cbce0cb90edbc6a66cfc483925dab8f0728ecfc
- root 2ddfe8b67a6fc60485eca276db7611dd0352f9138a7a1e2dc5a09c856736feec