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 - TACLOBAN CITY SDEO Award a ₱492.1K contract to B.Y.A. BUILDERS & CONST. SUPPLYNational agencies

Transaction hash:

8a8cdbb337cec189f373f372adea0e859ee1c9ef3a6d0fa8c4697b522e7310b0

Status:

Included and unchanged

Block:

#1,311 4,702 blocks after it

Position in block:

Transaction 20 of 47

Award day:

Dec 2, 2011 (14 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

B.Y.A. BUILDERS & CONST. SUPPLY

Value:

₱492,058.08

Project:

Repair/Rehabilitation at Lirang Creek, Tacloban City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,311 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 - TACLOBAN CITY SDEO awarded it to B.Y.A. BUILDERS & CONST. SUPPLY on 2011-12-02.
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 8a8cdbb337…7310b0now …
2. Block Merkle root changed
stored bef3c14201…3b40c9now …
3. Block #1311 hash changed
stored fde039ed6c…658414now …

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 46 records. Each step hashes the current value together with the sibling shown.

leaf 8a8cdbb337cec189f373f372adea0e859ee1c9ef3a6d0fa8c4697b522e7310b0
01 R 8b0df28794ae94af7c778506c37ad6a58133b695f9c695dbf2268b04aa3fd6a0
02 R 1bcc629f65ed5fd40740d397353a2f60e2bcdb7392d5dfe19ae061aafe56809d
03 L 263d216ddee9da18e632374d6850f364c2e4a75f243e6ca5c80a30ff0e10d94f
04 R b3006592107130c19173ad03d23effdead800655e2cf05855635c1af957e3fc5
05 L 55ad6a5054dc73d352e584be2264c167994323ac084146ddb207b546240a8eeb
06 R 673621b909d8eaafb0a865e60eeb7d458ed75a0c5d04c4690e6e14e88ac57672
root bef3c142018ac64686797eea391d720ad5739146772ed1555fd3c5332d3b40c9