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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED Award a ₱4.8M contract to 2H2L CONSTRUCTIONNational agencies

Transaction hash:

f7f08c91c8e704502c1e97b10b911afdf23c8a37e976ed04a977a5ec5f52b0fe

Status:

Included and unchanged

Block:

#1,714 4,299 blocks after it

Position in block:

Transaction 895 of 935

Award day:

Mar 25, 2013 (13 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED

To:

2H2L CONSTRUCTION

Value:

₱4,843,272.23

Project:

const. of 2 storey 4 classrooms

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED

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 #1,714 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED awarded it to 2H2L CONSTRUCTION on 2013-03-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored f7f08c91c8…52b0fenow …
2. Block Merkle root changed
stored 7a9d154d34…f166ddnow …
3. Block #1714 hash changed
stored 0f120f161a…2abf30now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 934 records. Each step hashes the current value together with the sibling shown.

leaf f7f08c91c8e704502c1e97b10b911afdf23c8a37e976ed04a977a5ec5f52b0fe
01 L f7a3264b9c9cd1590a0c1331effd47b6f3f3b2130b627dc76e6bfa3fa928c05a
02 L b708a63d825cf0457e4d628ae94ca29ac87f6c9d94a18b6c3a8d3e3e118c43ba
03 L 0ebc3d53a4fdcf51d67e8730483c360a6eef29dee08dc365b98fdf89c2aaf9ac
04 L a3a3b558975faa1bfabf308ba7a1e14877de3b15a34ffc4a1eacfbc9a409acb1
05 L 29d4824774d1e0bc2d2a14c30c01fad65903b9af81f3b37fc270ad1cda0c99c8
06 L 4539d189df84f5725a54b458c4d58c300967322c175488a0eee5136635964d92
07 L 6ca36b274b5205d995173e33a51458110e34a2482345b22d0369012ec63a2f3d
08 R 32fba99a4996bdbe7e9e30a35e202d46cdb64701b91864052308373cd58f5947
09 L 4a6a2009e4d7998c28dfe60f6e6e7430e68edca302cef254fc2f0c52d015b01f
10 L ef2425add25b854ed3268b425114ed19e7d24f82ff2e0ce0d44bf499dc7b8596
root 7a9d154d34bfe2214ffce495ffe93f69dff3b21261b1b7d69e20426604f166dd