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 & HIGHWAYS - DAVAO DEL SUR 1ST DE Award a ₱1.9M contract to JLA CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

fa5baa419ff66bc0229853ee1ef945193dcbef4906686f587c93a337cfa21d5c

Status:

Included and unchanged

Block:

#1,026 4,987 blocks after it

Position in block:

Transaction 27 of 29

Award day:

Dec 14, 2010 (15 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

To:

JLA CONSTRUCTION & SUPPLIES

Value:

₱1,880,755.86

Project:

Concreting of Roads at Abella Road, Digos City, Davao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

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 #1,026 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 & HIGHWAYS - DAVAO DEL SUR 1ST DE awarded it to JLA CONSTRUCTION & SUPPLIES on 2010-12-14.
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 fa5baa419f…a21d5cnow …
2. Block Merkle root changed
stored 544131ff6b…eb9351now …
3. Block #1026 hash changed
stored 70182434ce…5d34banow …

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

leaf fa5baa419ff66bc0229853ee1ef945193dcbef4906686f587c93a337cfa21d5c
01 L e8c5c5d635c25682a2341fb2c95f4bdd4186e63eb0bb1a2fff14e79aba25f17f
02 L 58dfd00424e7f68cac12b0883580c30ebb46fb4f2f2103e1946956166e54b7fb
03 R a330e8b8fa2c09782513e582bd1baaeca2689b214c0b95ca1256a06d272e469f
04 L 46a81fea6deba9d5d54d632c66fe38fcb999e164db8b9b83c787c9aa871a5109
05 L 06df453ac3322509f8d67b4c44792c7c64228b6def45fdd5957f405d2c532e55
root 544131ff6bd7c4266622c2a1f6f7612e989eb4af8af2413e51995e5482eb9351