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 - TACLOBAN CITY SDEO Award a ₱4.7M contract to B. VICENCIO CONSTRUCTIONNational agencies

Transaction hash:

73f5bbc8c5659b786b4100f9d09c1a2d35e361d03e849c82465c4db0716e299b

Status:

Included and unchanged

Block:

#1,572 4,441 blocks after it

Position in block:

Transaction 30 of 58

Award day:

Sep 28, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

B. VICENCIO CONSTRUCTION

Value:

₱4,672,741.00

Project:

Maintenance, Repair & Rehabilitation of Flood Control Structure, Burayan River Control, Tacloban City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,572 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 - TACLOBAN CITY SDEO awarded it to B. VICENCIO CONSTRUCTION on 2012-09-28.
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 73f5bbc8c5…6e299bnow …
2. Block Merkle root changed
stored 9d22eb0b07…e6fd2bnow …
3. Block #1572 hash changed
stored 22193d47f6…005de2now …

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

leaf 73f5bbc8c5659b786b4100f9d09c1a2d35e361d03e849c82465c4db0716e299b
01 R 88a51f29301dbef63364c60fcf52885d7b64e14f883194a4bf7995c56ea61edf
02 L c662a6f21749c447a8e5b078a1f4439a37622bf86c526bfafb8b9f77731abd6f
03 L cdad40ba6b42f5196c2e1f9c781aa74146fad935c064cf85f5c40ca7d21a2241
04 L 1410eda984b69b748be957c71e63bf31bdf6eca3daa4a3e98ec5669f69b28fb4
05 L 215a9a192009608fb8ab630390f599ee5a22f1c8ac01de81a47d060746289f94
06 R 49c39b2b86c1b031837d922dd1d7145ce897a03ac988a71403dafcc51e67a589
root 9d22eb0b0716f100ca3f3d4a1101e2e9b9e832e76892c200f5326629b4e6fd2b