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 - TARLAC 2ND-DEO Award a ₱28.8M contract to RAIK CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
e25a89fd4ebccf08e5b9f07ae3ec68f9b9f3fdc200dc083af979eff689bf354c
Status:
Included and unchanged
Block:
#5,047 966 blocks after it
Position in block:
Transaction 267 of 308
Award day:
Jan 25, 2023 (3 yrs 9 mo ago)
Value:
₱28,811,515.09
Project:
23CK0005
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 #5,047 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 - TARLAC 2ND-DEO awarded it to RAIK CONSTRUCTION AND SUPPLY on 2023-01-25.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 e25a89fd4e…bf354cnow …
- 2. Block Merkle root changedstored f16ef7444b…e4f7e0now …
- 3. Block #5047 hash changedstored 75e5784181…72b3ebnow …
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 307 records. Each step hashes the current value together with the sibling shown.
- leaf e25a89fd4ebccf08e5b9f07ae3ec68f9b9f3fdc200dc083af979eff689bf354c
- 01 L e254f8d47bd7d148b475e6a563c9a18937c55c1be8d9109ee85b4ff504c10f89
- 02 L dc19ba5c1299445ac5360fab5f6557fef0e455046baccb7e6f4d4fe5ebf37805
- 03 R e0db295417b474bbd2431a26c7e516881691030c84a5517465256d2868dfca9d
- 04 L 27039f7d66a77454ebb2699e9d155295be6babc1bfd497b4c34e2a089c975f42
- 05 R f694b2383d437d3a50551fd2f7db5f99c5b5a761cbf77ba095e259c72648ad81
- 06 R fdae1a7458154c0988639b301f88e44d598e1a7c3d4ba1a7ec6083b7eb4896a9
- 07 R 25d5ebaacb47e8fa7f9afb01b2f4b1fb6dba0f9fb8fa1ef39969546305dd9e60
- 08 R 75a9ffe392bebaf3cf25f3c4a22a6b7fbb3c0e35ad4de59d571dfaffe95b4418
- 09 L 0cc49b6708b56c41dcde7b084a8a7a9d79eef1d8dddd86f4cc096272e07a2289
- root f16ef7444bab4ee3cbd9f03cb4fb96cfa7b6f94cb9b0b2e1ead727a47de4f7e0