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 - ABRA ED Award a ₱3.8M contract to THUNDER CONSTRUCTIONNational agencies

Transaction hash:

45f8e2f922eb283f4eefc169316f80d85a92a6243aaed8ad19b94828748178b9

Status:

Included and unchanged

Block:

#1,768 4,245 blocks after it

Position in block:

Transaction 13 of 57

Award day:

May 31, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

To:

THUNDER CONSTRUCTION

Value:

₱3,820,763.99

Project:

13PA0038 (PACKAGE 24)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA 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 #1,768 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 - ABRA ED awarded it to THUNDER CONSTRUCTION on 2013-05-31.
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 45f8e2f922…8178b9now …
2. Block Merkle root changed
stored 949fa31901…af00ebnow …
3. Block #1768 hash changed
stored 98589795df…934236now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 56 records. Each step hashes the current value together with the sibling shown.

leaf 45f8e2f922eb283f4eefc169316f80d85a92a6243aaed8ad19b94828748178b9
01 L 3cdae5429551d7fe1123ffcade642dd17e1d85eb5e12c3b563a18b48bd4cf46c
02 R 64dc769536a990982db40b1ba40642adf2c99fb378e10fbc5c7beddbc6977ebd
03 L b9f0aaa8118449751bbcff4ff0bea8dea70262678c03c2fca90ff95702912eee
04 L 153e9534c7094d1130107ccbf67afe3a9d5fbdab6239db544615363b2e9e2c24
05 R afca7a21011ee6d7af855fd9a6b7c4367ae4f139dc061f4db1f5cb9872c94ed3
06 R 6a4f724bd6864b558de12a2aa854bcd65105d18b9620bb3e96c4e7f2f5f384ca
root 949fa319010d6b9e66d7de07f0b71dd89513c87ca110d75ed9b1120119af00eb