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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS IV DEO Award a ₱9.5M contract to A. SANDOVAL CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
a4d307ec43dcdab3d92ff68ec0c72e8d80b9f6ed1fe64a0e2126fd8ad7d9b908
Status:
Included and unchanged
Block:
#3,830 2,183 blocks after it
Position in block:
Transaction 243 of 390
Award day:
Jul 26, 2019 (7 yrs 3 mo ago)
Value:
₱9,506,000.00
Project:
19DD0117
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 #3,830 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)DPWH lists the funding source as "Regular Infra - GAA 2019 LP", i.e. the FY2019 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS IV DEO awarded it to A. SANDOVAL CONSTRUCTION & SUPPLY on 2019-07-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19DD0117: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2019-09-18). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 a4d307ec43…d9b908now …
- 2. Block Merkle root changedstored 8d7e1a0f1b…2581e9now …
- 3. Block #3830 hash changedstored abfc890dc4…f23131now …
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 389 records. Each step hashes the current value together with the sibling shown.
- leaf a4d307ec43dcdab3d92ff68ec0c72e8d80b9f6ed1fe64a0e2126fd8ad7d9b908
- 01 L a4695ebbf2fa4c034b9721826dc336bbc89cefc083781c5beace784e1824fc8e
- 02 L cab9009d31b62e201354a110599621bdde283f9a87f03e0ced42dc0081a7ef1a
- 03 R 55c76ea2a8c2861db43dd30c042fc6056fd28c305be10d3b0770256806094900
- 04 R 77e5c4214075387d25fc737a8af725cd534068232c5b708133cc21ea7e8d849f
- 05 L 6fbf2856e38269e77084c2c8dabc8e9089558892d35100cfa5ffb91ba37ce767
- 06 L 2b8f454abaa337543aacc922d158ff99a5689eb44a7f9a7646606f35913fe99d
- 07 L 237f08f4863d71e005de6ca6ffe7054d5879f734598caec97b55da89bf04d171
- 08 L 948511d61ef6b9e473b075afd674f616f7cca36913b2a3868d1af4681ee1f9ee
- 09 R d16fbca431d6f5e5cb60da9841adf38404f6a1d5fe4bf216a66233a63e1ecd73
- root 8d7e1a0f1be530eaacd68270eaeba97a15f427c6643525a7022f3a4fb42581e9