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 - AKLAN DEO Award a ₱489.0K contract to J.C. TAMAYO ENTERPRISESNational agencies

Transaction hash:

fb7ef707b4bdb19d596ddf19f8dc242667f4e1aa1bea23e9bee9198080afed15

Status:

Included and unchanged

Block:

#4,669 1,344 blocks after it

Position in block:

Transaction 143 of 146

Award day:

Dec 24, 2021 (4 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

To:

J.C. TAMAYO ENTERPRISES

Value:

₱489,000.00

Project:

21GA0283-Construction/Completion

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN 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 #4,669 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 "Outside Infra - GAA 2021 DepEd BEFF", i.e. the FY2021 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 - AKLAN DEO awarded it to J.C. TAMAYO ENTERPRISES on 2021-12-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21GA0283: 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 2022-07-04). 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 fb7ef707b4…afed15now …
2. Block Merkle root changed
stored 5f1de6cf26…590f7dnow …
3. Block #4669 hash changed
stored df4e80eba0…6b6ac3now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 145 records. Each step hashes the current value together with the sibling shown.

leaf fb7ef707b4bdb19d596ddf19f8dc242667f4e1aa1bea23e9bee9198080afed15
01 L fb07168e8e19727e33f7138190a28e5a9f4b2adff7efc28b2ed481cee83a93a0
02 L 55112cdd5d530935bda8134a9d3334f1a93b7dea0883bb7bfad060e4a6a8a63a
03 L 2d9715350ac4a7a1b46d8b5d18225604648d98d44cab0972b1eb99bd1e1238cb
04 L bffe5c6bb989b9e115790c9bdff07d0b2fa276fa566d6c7d054b7548c71f64ac
05 R 0505c172f955800bdd656cc116b857b15795118cb1cc53d976b8b9d1d3f71ed9
06 R a356cdae3634c480665fb39bfa95161fd4bfdc4d8d219eb7b5f88ad987f3dacd
07 R bf70fd666a73acbd16eebd1fc8eff60f62686f7b87ab6dee2a1ef320ad21422d
08 L 262e7d6dd6caa48498731c599bcd43da8380e3c7175b857b6771d7e87a1bc07b
root 5f1de6cf26bc353dacaf002616494283f5bc35c821e39193a670528cdf590f7d