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 - BENGUET I DEO Award a ₱3.0M contract to POLO ENGINEERING AND CONSTRUCTIONNational agencies

Transaction hash:

d0e69cf3db730aa4c4d29f2b0f0a1c14f29d448e929c8a9f95a8072ba9943a57

Status:

Included and unchanged

Block:

#4,514 1,499 blocks after it

Position in block:

Transaction 261 of 315

Award day:

Jul 21, 2021 (5 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BENGUET I DEO

To:

POLO ENGINEERING AND CONSTRUCTION

Value:

₱2,963,522.86

Project:

Multi-Purpose Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BENGUET I 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 #4,514 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 "Regular Infra - GAA 2021 LP", i.e. the FY2021 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 - BENGUET I DEO awarded it to POLO ENGINEERING AND CONSTRUCTION on 2021-07-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21PE0104: 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 2022-03-03). 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 d0e69cf3db…943a57now …
2. Block Merkle root changed
stored e20263e9c4…677708now …
3. Block #4514 hash changed
stored b971c7bf85…0bc90bnow …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 314 records. Each step hashes the current value together with the sibling shown.

leaf d0e69cf3db730aa4c4d29f2b0f0a1c14f29d448e929c8a9f95a8072ba9943a57
01 L cfac470bedc24695fb7ad2f73770854b037f35f3b29b69402d1188b7824f64be
02 R 7fd0a0f3fb27a9d38195fb8025593486d18b58a91ab2d4a5392d109f6db9e7e6
03 L 7feab2b5c5b8933eaff29f3daac0bb9dc56ea6906fd659a915d95738f1a510ba
04 R 0bcd55ccee96efb707d7a3ec01ca5f53d92f22332f9d9e02d218a050ec2b5edd
05 R 82ca1d60bc0bd21c1c6247514616b8e01fff2047aa6068e12f96cd46b78c5e65
06 R f3e570d5e9126a63306ef7f68559cc1f08b2fa4b2c709b4388e46afe4f92808c
07 R 7321a866861bc8829082301f60636644328654f199941405fb07244197f93db7
08 R 7e2ac03be203328db4362a13e4dca37507ba235d0e4c352cfcb5c237f581d42e
09 L 76d5adef7b47e0c76af5c427b715d27e9cfe1e5b7d260b03019cba4d525742be
root e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708