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 2ND DEO Award a ₱1.5M contract to MANUEL A. DELA TORRE JR. BUILDERSNational agencies

Transaction hash:

e153f6ba6c197205ddff6c2eae5c0608d160f1f2e557e9ea1ce5604ebe1b1a9a

Status:

Included and unchanged

Block:

#1,565 4,448 blocks after it

Position in block:

Transaction 65 of 72

Award day:

Sep 20, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

MANUEL A. DELA TORRE JR. BUILDERS

Value:

₱1,472,685.43

Project:

Construction of Multi-Purpose Building, Barangay Loma de Gato, Marilao, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND 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 #1,565 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 2ND DEO awarded it to MANUEL A. DELA TORRE JR. BUILDERS on 2012-09-20.
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 e153f6ba6c…1b1a9anow …
2. Block Merkle root changed
stored 41bab63e16…f1cb28now …
3. Block #1565 hash changed
stored acf5490abe…40a0c6now …

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

leaf e153f6ba6c197205ddff6c2eae5c0608d160f1f2e557e9ea1ce5604ebe1b1a9a
01 L dfb541fdebdd214337509fa24c5a8fcdb68610f8c9d15bf77406774aa1be3a02
02 R 8f3f90cc3bf3ce4422279175ecfe20d04932b2d39e12c367d6993706cf3c01cb
03 R 094719f8e3a31172c88f77dd7b5533b8a0cd03abefd782bfb4f873fea8af4936
04 R 03a23fe2cd9cc568ad1b81b0877543f5fd4483a77e9ee04a656455a8214b8a1f
05 R d79082a210b3aa0e390f940fec0f8ff1bb8cbc37289b0b451bbf287d85cdbce1
06 R 65fe056b6b01ff98d35d51c6e39d1d6eafb616d36168f832277fbad9e4be4117
07 L e1dc984e9fcf84072464267ac120476dec89cd73b9967179ce3729742758a823
root 41bab63e163d4e1366be0c0fea06cebca8d211bd69dc247060a97bf976f1cb28