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 - ILOCOS SUR 1ST DIS Award a ₱1.1M contract to 739 BUILDERSNational agencies

Transaction hash:

e09d83823b3f942e72f28d3e2316808c9f40a8d4779e9067e826eb8bac2c0968

Status:

Included and unchanged

Block:

#814 5,199 blocks after it

Position in block:

Transaction 61 of 70

Award day:

Mar 5, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

739 BUILDERS

Value:

₱1,139,795.21

Project:

Construction of Drainage System, Brgy. VII, Vigan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #814 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 - ILOCOS SUR 1ST DIS awarded it to 739 BUILDERS on 2010-03-05.
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 e09d83823b…2c0968now …
2. Block Merkle root changed
stored c19cb07e35…497ecanow …
3. Block #814 hash changed
stored b4c7ea13e5…ff9a94now …

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

leaf e09d83823b3f942e72f28d3e2316808c9f40a8d4779e9067e826eb8bac2c0968
01 L e05f94bc65085c1a509151a9d5bb80b306fd8ab175cb12cb991aaf68b649793c
02 R 81889af4d8c0e823aec3a6ce01fa4f938ae3a9f70fa46b512fca121d8f5b40fd
03 L d377c01c945e38f75563e2483e3f1e528314914d853c1920ce725182b25a503d
04 L c0b14ec114deba581ed88d0f4ac00a844b144c8b6c7f42311b641c35e9593fa6
05 L 7bd34514679b31c641cea673172078988aab2fbd289d4779a65ebf5d4d66320e
06 L 06dcd0a169af2569fb6b5a6716780671de24bc354da65f6e67b5f42f7abcb9da
07 R ac8c04ff2561b301fe41e907f0b46cf2ba45bf9854d6ebe7131533dfbd5d544d
root c19cb07e35a2a7bba523cbe8d29edcec87ddfdfe5ec7f550469377c40e497eca