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 - DAVAO DEL SUR DIST Award a ₱82.6M contract to P.L. SEBASTIAN CONSTRUCTION,INC.National agencies
Transaction hash:
8a3b8dddfd5369721dc6c1e7b775ad20f3d82d5570c0753a80a2128467a0c7b6
Status:
Included and unchanged
Block:
#4,428 1,585 blocks after it
Position in block:
Transaction 161 of 285
Award day:
Apr 22, 2021 (5 yrs 6 mo ago)
Value:
₱82,636,406.89
Project:
21LD0068-NOA,NTP & Contract
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 #4,428 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 2021 OO-1", i.e. the FY2021 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 - DAVAO DEL SUR DIST awarded it to P.L. SEBASTIAN CONSTRUCTION,INC. on 2021-04-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LD0068: 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 2022-05-15). 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 8a3b8dddfd…a0c7b6now …
- 2. Block Merkle root changedstored b78ee2e6bb…07c07cnow …
- 3. Block #4428 hash changedstored ebffb29a4d…de3336now …
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 284 records. Each step hashes the current value together with the sibling shown.
- leaf 8a3b8dddfd5369721dc6c1e7b775ad20f3d82d5570c0753a80a2128467a0c7b6
- 01 L 89eee5373b75fed31b0edfc88387d76321dbaec0addb24ba60e2c73deff102de
- 02 R 252462b017d5de666f9656caf374d655240178f93ed502c63f5cd41329f498db
- 03 R 47ab500162d54ae86ffd380fb9da9b18f8e0a0ebd8886c2a23095661e145a44a
- 04 R 67a25f85ea860f0f41551614555d2bab718e4c1264137a5a2fa6f85ebdd88867
- 05 R 8d4c7fff9ba50b65ff7608225a3689911d7d126aaa77b8be3469c42faf26e809
- 06 L 4f2b43d9428ae2ef22cafae3d54afdcc1014a451d592223f1d06e15a383b6c37
- 07 R 59c4995b88ed245f2b08e03ce0bd7a0ff39c19e6bfdb4575690009c7feb034f0
- 08 L 18b0f32b0cb8229d590fd006acbd93270fcae6d128a97d77bc6d39a197b04e29
- 09 R 5ea04a71de30cbad1cfa2ef4bf81d3c29c9292199b4449136826ecdac18a48cd
- root b78ee2e6bb63d2b764ba5a3a257c2857788bb3d8d8ad404ab32445a45a07c07c