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 - BULACAN 1ST DEO Award a ₱1.4M contract to ZACARIAS ENTERPRISENational agencies

Transaction hash:

dae7fc92cb96fc5afa35b5f1cb64cd1b4c3a85209591224e9dddd9c3c919ba0b

Status:

Included and unchanged

Block:

#1,402 4,611 blocks after it

Position in block:

Transaction 30 of 34

Award day:

Mar 15, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

ZACARIAS ENTERPRISE

Value:

₱1,424,860.45

Project:

Construction of multi-purpose building Marcelo H. del Pilar Memorial School San Nicolas, Hagonoy, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST 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 #1,402 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 - BULACAN 1ST DEO awarded it to ZACARIAS ENTERPRISE on 2012-03-15.
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 dae7fc92cb…19ba0bnow …
2. Block Merkle root changed
stored 0ce9a1c7d5…e0d173now …
3. Block #1402 hash changed
stored 91d16c1fb8…08eb23now …

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

leaf dae7fc92cb96fc5afa35b5f1cb64cd1b4c3a85209591224e9dddd9c3c919ba0b
01 R eabbc4c774e1f1450dc8f40e1587062ce56df6b814a79eed48f43d53fee56214
02 L 584219c182e83409b8f257f61ec5f9563ca9ed974d9ea3ea88f2a922b1f60784
03 L 8f2be427c2eb7d04f962cde9ed7f7a4bdc344cfd1cd72cb20d17061e8f6f57a3
04 L ccfb9f36d86faad12a310fff208d0e15bc7581627dd5ec7fecdc7b7bf5998e94
05 L c54730dae72f7b77a1a7111027517158c03fa003bea275268a5d276080776a53
06 R ed59cfdc6bf2cfe113f396c55741d498c0fcf266d3e4e9c4d86eeb3c88021597
root 0ce9a1c7d57dd1442f697ecaa70ea5e02b81812e757bce4bca3895304fe0d173