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 - MM 2ND ED Award a ₱1.2M contract to SOLID ROCK CONTRUCTIONNational agencies

Transaction hash:

ed7f35e944ab26e78cfb0a4e84dcd98e7ccfcad5348e852e14aa161832792677

Status:

Included and unchanged

Block:

#1,408 4,605 blocks after it

Position in block:

Transaction 43 of 49

Award day:

Mar 22, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

To:

SOLID ROCK CONTRUCTION

Value:

₱1,161,500.83

Project:

Improvement of Multi-Purpose Building at Sampaguita Street Barangay Sto. Niño, Parañaque City, Metro Manila

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND 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 #1,408 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 - MM 2ND ED awarded it to SOLID ROCK CONTRUCTION on 2012-03-22.
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 ed7f35e944…792677now …
2. Block Merkle root changed
stored 3c198d3d34…82b4c0now …
3. Block #1408 hash changed
stored 07cb86a5fa…f0a594now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 48 records. Each step hashes the current value together with the sibling shown.

leaf ed7f35e944ab26e78cfb0a4e84dcd98e7ccfcad5348e852e14aa161832792677
01 L e64f3fbeeddf6a4c5b0460cace8e40be4cb9aeee4623b06dd7a7c4d6462dce62
02 L 34a60019094b1ce1762673ca725a946873f0d99e69b44e60bfe3f6f25681b29c
03 R 0a8cacd456b3cb4799b3b8abfb2183fe467511bbd069cb7869d59f933d5d4030
04 L a627a0d5cbb588c8e6d7ea6991f91523fec58082866cfe13867c65ad717804e5
05 R 0f986f07424fce8566690113e4d199ea9036097a0f6da37c0c6fd550cd9d4a61
06 L 1f3dfa5f4c01f33b583df2c23220ebb8aaa216914f1282f57998c47fafefea18
root 3c198d3d34cb36a1b5810c23221bb6e2f1a9892f09deff0a6e29514f1382b4c0