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 ₱979.8K contract to R.A. DEL ROSARIO CONSTRUCTIONNational agencies

Transaction hash:

8d7d054bf3ca8f9935539409b5d32d59225135f8cd091c0f219a59b7c1e53488

Status:

Included and unchanged

Block:

#1,326 4,687 blocks after it

Position in block:

Transaction 56 of 91

Award day:

Dec 19, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

R.A. DEL ROSARIO CONSTRUCTION

Value:

₱979,783.00

Project:

Repair/Maintenance of Slope Protection along Norzagaray-Bigte Road, Norzagaray, 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 #1,326 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 R.A. DEL ROSARIO CONSTRUCTION on 2011-12-19.
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 8d7d054bf3…e53488now …
2. Block Merkle root changed
stored bb2cf9f4f7…1f918bnow …
3. Block #1326 hash changed
stored 876fc3f06a…55ff1bnow …

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

leaf 8d7d054bf3ca8f9935539409b5d32d59225135f8cd091c0f219a59b7c1e53488
01 R 8ed838e8915ff997e5f9a352b3659ec729dde1f1bbbe90fa9c7e919d29116d5b
02 R a3205833496609a99f0dae2b9df31a7416c090357be3b0a29b05ac24e4742bb5
03 R 80f67d0fe820b04897ee50e900491543ba1c25e31ddc47589f378e80fc37daba
04 L b66d7f4b8a660ae35370174c8226222aae8a3315337702857a679b03ee2bf173
05 L 3a55bb37979be258a6ffc1399a338f1ee5696c8ef9f37f73c2e8daa0e8d872b2
06 L f791c83637bd60ae368ea81bce969811d4c4556d85a2e46530546163e7674b91
07 R 49b6101fad271d468ebb28b9308857e3dde31a8baef64a090788f443935cfbcf
root bb2cf9f4f7a97474672010db51fb36cacec030d73863cf2093f0e0b2801f918b