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 - SOUTH METRO MANILA Award a ₱4.3M contract to 947 CONSTRUCTIONNational agencies

Transaction hash:

df875c9c8e11d8f9f4fe02a448d1b0483641a560492c1a55fbeae0dd56594a80

Status:

Included and unchanged

Block:

#2,953 3,060 blocks after it

Position in block:

Transaction 91 of 116

Award day:

Jan 4, 2017 (9 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA

To:

947 CONSTRUCTION

Value:

₱4,257,672.92

Project:

16OH0093

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA

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 #2,953 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)
DPWH lists the funding source as "Outside Infra - GAA 2016 DOH HFEP", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 - SOUTH METRO MANILA awarded it to 947 CONSTRUCTION on 2017-01-04.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16OH0093: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2017-05-16). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 df875c9c8e…594a80now …
2. Block Merkle root changed
stored f3c7cb952c…07cdebnow …
3. Block #2953 hash changed
stored d007d8898a…5d512dnow …

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

leaf df875c9c8e11d8f9f4fe02a448d1b0483641a560492c1a55fbeae0dd56594a80
01 L dedd5b2c5d37c7258039887e3ea7ebef5718e51c7966f29c01aa4a8bc9b0c56a
02 L 4dbe38ec59d5b0e2522150d80b4036733ec2eaf506496861c51e5d717a4b590d
03 R 394d668bc99c6e3a15bf011f1912443981886d0324d6e40a8b2313f9d7714a3a
04 L 07d7849599bc27feeec94923593c7967abaca6248cf79351ab2c8baed60c3355
05 L 58712065b02d5ebbc21f77e6c82c65ffff24d3952f73dc24f74914fb8935df82
06 R 1cd49d9d7a19ebd61f07946a4d740b479100d3bdeeaed182420aab7e9e2eee45
07 L 5bf15f130315a1a2cc29ecda89bbb33bc8c1f8314668272ed4043c574ac4821d
root f3c7cb952c435916ab24ccdaf69441a2b183b9de25bf03c2bdbec1b8bc07cdeb