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 - ALBAY 1ST DEO Award a ₱18.4M contract to 3RB CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

db09cd807347b4db6cfad8f2f631bd20424b001b96bbbbfc7f0fdc7e07fb8ecf

Status:

Included and unchanged

Block:

#2,908 3,105 blocks after it

Position in block:

Transaction 91 of 104

Award day:

Nov 17, 2016 (9 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 1ST DEO

To:

3RB CONSTRUCTION & SUPPLY

Value:

₱18,381,770.55

Project:

Contract ID No. 16FA0063

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 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 #2,908 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)
DPWH lists the funding source as "Regular Infra - GAA 2016 MFO-1", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 - ALBAY 1ST DEO awarded it to 3RB CONSTRUCTION & SUPPLY on 2016-11-17.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16FA0063: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2018-10-17). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 db09cd8073…fb8ecfnow …
2. Block Merkle root changed
stored 32e6b8f04c…0b7477now …
3. Block #2908 hash changed
stored 4d64146fe4…09d3cfnow …

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

leaf db09cd807347b4db6cfad8f2f631bd20424b001b96bbbbfc7f0fdc7e07fb8ecf
01 L d031e4257e364ac44a386d4033e4f89c9eb16f2e507a2f621bdf927474a6e7da
02 L deb774bd283ee092536f1e19e601c71ae3058a5850b8f1295b7f799ec409293d
03 R f0f18a034ad091dfc1e7481f1fa91ce77575b897ad4cdcd3f0b09c8c665368a7
04 L caf1837a7046080cd0a75ae5d0f811c7bfc0026546d1e1a7edbe5367d0232d9b
05 L 013c8b6e017453e31ce0949c883cb9e048673155348fdbb250f982724e889cbc
06 R 95277e277f228b4821d8e98694c9fd6f6451f31bfdc46a071f5704dc898e63b2
07 L 0b3bf5d152906b483f2ef4c1e7609c85612f18e39afbb91dccf97e3e6ec92230
root 32e6b8f04c99104f5e862a7519efdca0a24a0628aad4fa303edc7443fe0b7477