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 - LAGUNA 1ST ED Award a ₱19.5M contract to J.B. ALARCON ENTERPRISESNational agencies

Transaction hash:

ffe492e81a22e1aa02b9eb977e71533676922470b6460fd906e47c094bd7449a

Status:

Included and unchanged

Block:

#3,290 2,723 blocks after it

Position in block:

Transaction 70 of 71

Award day:

Dec 30, 2017 (8 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

To:

J.B. ALARCON ENTERPRISES

Value:

₱19,479,674.02

Project:

Construction of Four (4) Storey, Eight (8) Class

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

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 #3,290 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 2017 DepEd BEFF", i.e. the FY2017 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 - LAGUNA 1ST ED awarded it to J.B. ALARCON ENTERPRISES on 2017-12-30.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17DH0134: 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 2018-10-05). 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 ffe492e81a…d7449anow …
2. Block Merkle root changed
stored 800f3708c0…1e03ffnow …
3. Block #3290 hash changed
stored a4f5670662…f5ffddnow …

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

leaf ffe492e81a22e1aa02b9eb977e71533676922470b6460fd906e47c094bd7449a
01 R ffe492e81a22e1aa02b9eb977e71533676922470b6460fd906e47c094bd7449a
02 L 70275806e0e0b138d5cb0f74b2372b984363e07e924855e46f796e3bdf2214d2
03 L cb39f1ce67837fab2fe054f62f0518c8462b07767ca748d3b4a07dfb50c96f56
04 R e63c14b92e65ab23867ff0f1d698eac0f1e5d26d451f0611dedc8108013e72b8
05 R 6d7c8eb3a3da391d7d8832452f2aac3a4abd355d62fe3daa21b931ee5a1275f1
06 R 4caa8d2d641d5a4fee6ecad431704e1b2a2786280bb5526996a6cfb740ea98bf
07 L c355a814b08290aef9fce7daf77e01274d3fbc09458c1db3830a5400e25f0b0b
root 800f3708c0f196d95532152fdf0a47c53f57197d0621ca43df51fa31901e03ff