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 - ILOILO CITY DEO Award a ₱22.4M contract to LEGACY CONSTRUCTIONNational agencies

Transaction hash:

b340dfd344639d3359bc62be6b01a78fcff8c718cf8eda916d4becd0214a4dea

Status:

Included and unchanged

Block:

#2,061 3,952 blocks after it

Position in block:

Transaction 81 of 111

Award day:

Apr 28, 2014 (12 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO CITY DEO

To:

LEGACY CONSTRUCTION

Value:

₱22,369,975.00

Project:

Rehabilitation/Reconstruction/Upgrading

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO CITY 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 #2,061 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 - ILOILO CITY DEO awarded it to LEGACY CONSTRUCTION on 2014-04-28.
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 b340dfd344…4a4deanow …
2. Block Merkle root changed
stored cb414b01e7…ca1df3now …
3. Block #2061 hash changed
stored 1a380f3aa0…de2a15now …

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

leaf b340dfd344639d3359bc62be6b01a78fcff8c718cf8eda916d4becd0214a4dea
01 L ac85ea27eba28868168b2bf91e4b93538a23e6a0b30979f721e18eba8ea63667
02 R f49f589f7678330d20aa92cb098ea96d33d28cb79f349107b2c2e3fc4927dad7
03 R 746653744d695596191951f161212a471b11a38b941ffcfefdb5bd08fd474dd9
04 R 7c80ac4a9fcaf563c7678726064098fe3ac9cc1aedaa391418f2c7b8019884f7
05 L 62aac9905499107172e678f8399826f0d96249867156eb81f7366675c44de043
06 R 122bb7f1831d7bb709289fdb396217260e63804806a003478c5560fde50a61e8
07 L 399b46fd4e64d8e61067e3473404ff0ac913e322986753f21e6c349fefedb543
root cb414b01e7b68e6db1393c43bdc129c774b31443aa69eb14d6fa0b731dca1df3