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 - SOUTHERN LEYTE DEO Award a ₱4.4M contract to DAV-LEY CONSTRUCTION SERVICESNational agencies
Transaction hash:
b79ebf3c14e91496bbcf9ce44a6ea61880aa15c3da9840db3b4dcd8616d40779
Status:
Included and unchanged
Block:
#4,977 1,036 blocks after it
Position in block:
Transaction 136 of 191
Award day:
Nov 15, 2022 (3 yrs 11 mo ago)
Value:
₱4,434,449.50
Project:
21IL0242 -CONSTRUCTION / REHABILITATION OF WATER S
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 #4,977 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 - SOUTHERN LEYTE DEO awarded it to DAV-LEY CONSTRUCTION SERVICES on 2022-11-15.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 b79ebf3c14…d40779now …
- 2. Block Merkle root changedstored a2fee8b3be…127118now …
- 3. Block #4977 hash changedstored 57a4e6fb7b…ab5188now …
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 190 records. Each step hashes the current value together with the sibling shown.
- leaf b79ebf3c14e91496bbcf9ce44a6ea61880aa15c3da9840db3b4dcd8616d40779
- 01 R bbb6888d2684c7f8c70e10b0a1b4c28d878668a7f39d41c82bbc716b37eb920a
- 02 R e127e46b0f706aa4edebf41b7f7a5b8a8898ad12b92c1bb44f754e106130ca55
- 03 R f44cde6ed7e3d6e6b056cbec31c764e44f7231c4b2589e766ed6d31fd70ab92e
- 04 L 89d65d19805ac0afbbf19541c6211a18b2475f3a68cfe5d214315134e8b07851
- 05 R 10fc49bfd80f6c5fd3b620c8e58a0e349163f135779ceca8faa2ad702905a617
- 06 R 5fab5f656f3ec31b0e451a6c4d2d8696204896f2af0f0f1b943c0918d3355620
- 07 R fa918973dd1b4ba5a623918b45d8733f48efa7105784fa15e23070603ea0da17
- 08 L a406cf343939faa3bd91cc720e84737a109fd6bb5307a45eb6c811d1fbb17f5f
- root a2fee8b3be1c78dc633063b2e3e9c0d0ff7c227937b9376075ae3769ca127118