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 - COMPOSTELA VALLEY Award a ₱4.0M contract to D.B. RAVELO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
498fca3c8a143f2e7be458965d85e7dbd44d988e53b2f2381b1d6e8ec0d0ff52
Status:
Included and unchanged
Block:
#4,202 1,811 blocks after it
Position in block:
Transaction 107 of 377
Award day:
Aug 24, 2020 (6 yrs 2 mo ago)
Value:
₱3,955,071.44
Project:
20LA0353
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 #4,202 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY awarded it to D.B. RAVELO CONSTRUCTION & SUPPLY on 2020-08-24.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 498fca3c8a…d0ff52now …
- 2. Block Merkle root changedstored e2ad555052…ad39e1now …
- 3. Block #4202 hash changedstored ea5cb3007f…d0e66cnow …
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 376 records. Each step hashes the current value together with the sibling shown.
- leaf 498fca3c8a143f2e7be458965d85e7dbd44d988e53b2f2381b1d6e8ec0d0ff52
- 01 L 48e9f6273428c8944b7fc0d5c11b032d965596d08991816a38fc6dee52308576
- 02 L 58e98fe44540e4731264bd73184b24846177a3e839cf2beef22bb5cf40a9b995
- 03 R 707afa641b44a628962768f7828aaabbd10d9d15a72a13618474492e2f1ec940
- 04 L 92a3d502513533b00ae158c92c28ecf3b2b254429195685aec90420490081804
- 05 R b9f6699f350bc415f4c6f4af8b6a15699d02c5e9aa8c6e40a89af4c18f7592a6
- 06 L fe8d3cc6087bcdbca8a66359af045d1b387e2f8a053e2c31ed910cd7c6cb06b0
- 07 L 50e0948e7f5edbab45deb222ee11f78fb956a038f15841b5f610480a7b98321a
- 08 R c97f6342548850bbbee6499fe1e2b9da5c9b8f77431775f4a4148c6840a91fbd
- 09 R b315a325592e9d85c84cea78a739f5d6d7f04d37710e3f3e4b8e6b2e539432a4
- root e2ad555052b0a2f5d0043686645b08b5fff657ed1c4a84769a3665c7ddad39e1