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 - SORSOGON 1ST DEO Award a ₱19.4M contract to SIATING CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
7fb4e0d159fe56c8bc4bd8b2de62963f92e1a9226074ad0a176cce9e0a7069c6
Status:
Included and unchanged
Block:
#5,958 55 blocks after it
Position in block:
Transaction 230 of 440
Award day:
Sep 7, 2025 (1 yr 2 mo ago)
Value:
₱19,406,828.36
Project:
25FK0053
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 #5,958 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 - SORSOGON 1ST DEO awarded it to SIATING CONSTRUCTION & DEVELOPMENT on 2025-09-07.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 7fb4e0d159…7069c6now …
- 2. Block Merkle root changedstored 2362c4d16f…08b446now …
- 3. Block #5958 hash changedstored a99c3c5cd7…49cb0cnow …
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 439 records. Each step hashes the current value together with the sibling shown.
- leaf 7fb4e0d159fe56c8bc4bd8b2de62963f92e1a9226074ad0a176cce9e0a7069c6
- 01 R 80382b6a24a19d9aedb30781b5ce335017b4685266a23bf8df8b258cf2c63e1b
- 02 L 8b9029f75e3be9ddee14087aa87e72ad329cd8e50fb2f7c5a0680e896c387df4
- 03 L 5e91482a70c21327a2b305c25331620c690a1c93dc01c337ac1359c17d307052
- 04 R 05051834ccac2005b03b9c6c64f292f1a9e0e59475f331aff09c31c87c2f8f89
- 05 R 6b7ef6e97aa2eb38924437125de098445fad8c44a58dbaa6ca69b31e51398c03
- 06 L ce0a6f3a54bf40ea5d611693cec9230fd1f288e5e1be42475f85cbf574b00194
- 07 L 5cc74e8b3f5cc1fff76a0c983b428c36784c0535bbd354bbb116df3c2da7ab7b
- 08 L 42016437b9aedab697e78123bb29ba1e305caccb59b51bb37b60c1b2843c1b89
- 09 R 3d26b81c1fdeb8a88706c8984ff542546eeab0ba8a4b888bf06e1892cd495777
- root 2362c4d16f71fadc632e7da36ef4da314c725bef739105ee5501047b4b08b446