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 - ALBAY 2ND DEO Award a ₱969.8K contract to RHYMAC CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

2285a135cb4b76097e8b525fde43d411045fa6afd6d8a60a04e4758ed7b9f562

Status:

Included and unchanged

Block:

#1,843 4,170 blocks after it

Position in block:

Transaction 2 of 25

Award day:

Aug 26, 2013 (13 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

RHYMAC CONSTRUCTION AND SUPPLY

Value:

₱969,803.60

Project:

Repair/Maintenance of DPWH RES Building (Left Wing

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

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 #1,843 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 - ALBAY 2ND DEO awarded it to RHYMAC CONSTRUCTION AND SUPPLY on 2013-08-26.
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 2285a135cb…b9f562now …
2. Block Merkle root changed
stored 0376e744ff…3ee1f0now …
3. Block #1843 hash changed
stored 38c73f897f…6a25e5now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 24 records. Each step hashes the current value together with the sibling shown.

leaf 2285a135cb4b76097e8b525fde43d411045fa6afd6d8a60a04e4758ed7b9f562
01 R 2325cd8792faaef22540b236c89fc03e13f0928225dd4812bf75dcfcfe50e03b
02 L ea824bd1a9c67920cc6ba92aa544b9e3525173133f44ab97aadf8724bacb143a
03 R 68a1803ed11aea66b2246a54564379788f586efdb4b51f5ca9bc776d812911d0
04 R 52826ed08189fd70a31ed9237fe33ffb535382dae0acf9943d5e5755e296bc4c
05 R eddee80b9625eb53b2f7759c966b5be0ac6b1fa10e3ba03d481f2ba1f225aa8a
root 0376e744ffebd759937854b4ecfdf509bde9bd65c8c00ff826c4f5bcc53ee1f0