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 - REGION VI Award a ₱23.5M contract to HUMMING BIRD CONSTRUCTION & SUPPLY CORPORATIONNational agencies
Transaction hash:
3c48c48dcf736f60340f06ecd7f9a0fc5d51bc3c1878827ae4702a1ac37b77a4
Status:
Included and unchanged
Block:
#4,602 1,411 blocks after it
Position in block:
Transaction 67 of 290
Award day:
Oct 18, 2021 (5 yrs ago)
Value:
₱23,501,486.39
Project:
21G00143
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 #4,602 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 LP", 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 - REGION VI awarded it to HUMMING BIRD CONSTRUCTION & SUPPLY CORPORATION on 2021-10-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21G00143: 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 2022-02-15). 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 3c48c48dcf…7b77a4now …
- 2. Block Merkle root changedstored 90c20069a1…a8ef11now …
- 3. Block #4602 hash changedstored f059031ac8…5f95d0now …
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 289 records. Each step hashes the current value together with the sibling shown.
- leaf 3c48c48dcf736f60340f06ecd7f9a0fc5d51bc3c1878827ae4702a1ac37b77a4
- 01 L 39c7f1c26b35fdfb78364be74cd79e0c5d6d1104dc035eb62c9425bca120f2f7
- 02 L ee39d16de8c8b014bc37be8d574700b26adcd3e417b416afe12752ca5b45bd56
- 03 R ed96c2ada0c55ea3f6919e5764c054c6e65289215ead1f0afffa66f608cc8429
- 04 R 3f44a43ff0c64bda8c9999045de281a715d083f1ac6911864137acf8f304ea60
- 05 R 4f0f6e76552ce009b6dee717921a40c39ab0a9a38d29a05e2f5cfcd3e9e29265
- 06 R e22cd68a4a73afcc76144da6410c07998a1b73712c4ce057c9489c85da1acab8
- 07 L 5c2d087ae9858bfbceb6135ba7203b8ec0f661dd5d7d7aef37ef9032c4597400
- 08 R 5fd9268cf960367cfdb48873b607cf0fa75c6a7cde0003b8e22745f76728bb09
- 09 R 10183dfe3886be99bb81d719f447986bca4baae81168ed8550c3b1350a9a53c3
- root 90c20069a13ba8a68ce4824fa00502281c0dda43c9448b69a57c1deef5a8ef11