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 III Award a ₱22.4M contract to QUATRIX CONSTRUCTION AND SUPPLY INC.National agencies
Transaction hash:
f99a31f11221715909d8dcdcec3b33975ca1dc5572d88d93666e53a31a8a3848
Status:
Included and unchanged
Block:
#4,848 1,165 blocks after it
Position in block:
Transaction 202 of 208
Award day:
Jul 6, 2022 (4 yrs 4 mo ago)
Value:
₱22,416,840.62
Project:
22C00112
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 #4,848 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 "Outside Infra - Trust Funds 2022". 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 III awarded it to QUATRIX CONSTRUCTION AND SUPPLY INC. on 2022-07-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22C00112: 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 2023-03-21). 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 f99a31f112…8a3848now …
- 2. Block Merkle root changedstored 451de8f916…9bbff8now …
- 3. Block #4848 hash changedstored c0d2696a64…337b30now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 207 records. Each step hashes the current value together with the sibling shown.
- leaf f99a31f11221715909d8dcdcec3b33975ca1dc5572d88d93666e53a31a8a3848
- 01 R faf5188fb5ae3545f68ae871ea2b22b17b93fe7ef590754e1e917e7a4902ea62
- 02 L 76838651d6f2eaea1810370ed153df378f08097e0cda0f5c9e234ca2b1f59f29
- 03 R 27a632514e120a1158c50004f37da6e5470ef35baeeec68c0ed696947dfed8c5
- 04 L f5faec84a10f9d9e320e2b8aebc6702ccdc87c707e7473b09a6664079d8a8331
- 05 R 9fec83a8814b6ef28f531535249af8dae37fae3015537161aa948b07a184c77d
- 06 R fa1dad479688d8488cad7d5a7cc4ef3557e5c6c02b4392203b3e868b4bdcff49
- 07 L c6b6b353a625adceef61e419216aacaac5de79b642790f05bfce7a531be5185e
- 08 L 72bdef6f60b15021274861d62a2157bba818795d41c65b313d15100a0a5eed79
- root 451de8f91653ce9d99b5f7d42dfde7fbbf16ce11ebcaaf9404f08ff3659bbff8