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 - TACLOBAN CITY SDEO Award a ₱4.7M contract to SILK & STEEL CONSTRUCTIONNational agencies
Transaction hash:
4a86a945843dff93eb84ca98bddc9ad097228c13eea27512df230822559a1132
Status:
Included and unchanged
Block:
#4,202 1,811 blocks after it
Position in block:
Transaction 108 of 377
Award day:
Aug 24, 2020 (6 yrs 2 mo ago)
Value:
₱4,701,008.60
Project:
Repair/Rehab. of MPB-Brgy. 100, San Roque, Tac.
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)DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 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 - TACLOBAN CITY SDEO awarded it to SILK & STEEL CONSTRUCTION on 2020-08-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20IM0005: 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 2020-10-14). 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 4a86a94584…9a1132now …
- 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 4a86a945843dff93eb84ca98bddc9ad097228c13eea27512df230822559a1132
- 01 R 4b89324b15330e4c0658dd02341fd2819569fb40b82ed98c8f78d427790850b4
- 02 R ad5583f05133da27eb45b1b5cb675b518e6691c20a0716de2f774101e5af5a51
- 03 L 03b1f028d71d1ce25a2bb67435433839c0dbb25fc29b6b04913154070897e357
- 04 L 92a3d502513533b00ae158c92c28ecf3b2b254429195685aec90420490081804
- 05 R b9f6699f350bc415f4c6f4af8b6a15699d02c5e9aa8c6e40a89af4c18f7592a6
- 06 L fe8d3cc6087bcdbca8a66359af045d1b387e2f8a053e2c31ed910cd7c6cb06b0
- 07 L 50e0948e7f5edbab45deb222ee11f78fb956a038f15841b5f610480a7b98321a
- 08 R c97f6342548850bbbee6499fe1e2b9da5c9b8f77431775f4a4148c6840a91fbd
- 09 R b315a325592e9d85c84cea78a739f5d6d7f04d37710e3f3e4b8e6b2e539432a4
- root e2ad555052b0a2f5d0043686645b08b5fff657ed1c4a84769a3665c7ddad39e1