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 - MAIN Award a ₱1.68B contract to M.ABUBAKAR CONSTRUCTION AND ENGINEERING, INC.National agencies
Transaction hash:
c84e030d725a5afaf53de4497d977d0a203a318d719bdd239e6063f4c442dd5e
Status:
Included and unchanged
Block:
#4,257 1,756 blocks after it
Position in block:
Transaction 82 of 108
Award day:
Oct 21, 2020 (6 yrs ago)
Value:
₱1,677,539,691.92
Project:
19Z00013
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 #4,257 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 - MAIN awarded it to M.ABUBAKAR CONSTRUCTION AND ENGINEERING, INC. on 2020-10-21.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)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 c84e030d72…42dd5enow …
- 2. Block Merkle root changedstored 93a6a0d056…a1f34anow …
- 3. Block #4257 hash changedstored 0a2873c135…6953c6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 107 records. Each step hashes the current value together with the sibling shown.
- leaf c84e030d725a5afaf53de4497d977d0a203a318d719bdd239e6063f4c442dd5e
- 01 R caae6ff189dd715bb94853caa7b48b4d867259560e699ffb81cc23e927481b67
- 02 L 72a59b8a43bb6d81b6bfc292bd8ee4b659336f9f794c9435659d3797c4280f4d
- 03 R 6262b14059efa1486ba8e008229db35a89880bfb32b9f156ca2d6f3bf0ff31eb
- 04 R 65d384f67e53e3d65301049bfee193a83291e4b4859ff80faf4e576bdd9c6733
- 05 L 267178294e34cbb6386c1e783e2264bbfd3446fdef575d9632eb07137cb8d2ad
- 06 R 491ddb439e7e0f6321714ea764f32f9289d5811075f4dada556970d4e510755d
- 07 L 029e5a770304bbe313a0d9562324c70d06c521bb71c2cb6ffcd6173549509777
- root 93a6a0d056e20ccf1aa402a68c762f92e9f1f6b4127d054bb862f448ffa1f34a