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 - QUEZON 2ND ED Award a ₱734.2K contract to THREE ONE ZERO ASPHALT CO.National agencies

Transaction hash:

766ba2f6ec2b8d61d51342ef11bedc520ec7b8eab8eb38c8e55f5b6768af5dbe

Status:

Included and unchanged

Block:

#1,539 4,474 blocks after it

Position in block:

Transaction 54 of 100

Award day:

Aug 22, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

THREE ONE ZERO ASPHALT CO.

Value:

₱734,160.00

Project:

Repair/MAintenance of MSR-Tiaong KO092+(-)524-KO102+462

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 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 #1,539 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 - QUEZON 2ND ED awarded it to THREE ONE ZERO ASPHALT CO. on 2012-08-22.
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 766ba2f6ec…af5dbenow …
2. Block Merkle root changed
stored bd44a8b12b…3af3f4now …
3. Block #1539 hash changed
stored 0c0a5a1e31…390fb3now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.

leaf 766ba2f6ec2b8d61d51342ef11bedc520ec7b8eab8eb38c8e55f5b6768af5dbe
01 R 79c75e9e682a784a00f9208d79f7cb80e2f4991999606147902e88d5e7c72c74
02 L a17e3c74505ebc60e1efacf07f4ec387f41b25adfd67d285568d03d21feb4445
03 L 1103bb1393b297724c7ff466f1683aec70b666c431b7227b2ed8623ed91a0cc7
04 R cd01b46aba188ff4f768e567167444cf58743e7d7956ac9cb18f54578a731747
05 L fa3a5eb9000e15d6f4b67154e4de7b448bd81b97af9522f717358f18be31ef81
06 L c73c171b2868ecd04673b37a0db32d9e9de9219fa8baea77dfd9eee2b22ea9f9
07 R 6957a7742fa23b2c9b1554f7f1298deba7356a1845184a118a09c91a42441003
root bd44a8b12b7eb56c27d6b5d4028c32a6c2d65b49fafa7540faefcbab7c3af3f4