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 - REGION VIII Award a ₱103.9M contract to J. H. PAJARA CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

7083ea50865a22dc3663120a2d12001219fb1ebef3aa11937677457d9e2e3b19

Status:

Included and unchanged

Block:

#1,518 4,495 blocks after it

Position in block:

Transaction 56 of 116

Award day:

Jul 27, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

To:

J. H. PAJARA CONSTRUCTION CORPORATION

Value:

₱103,860,991.07

Project:

Contract ID No. 12IO0036 Region VIII Contract Package 6 (CP 6) 1. Construction of Listing Bridge and Approaches, San Isidro, Leyte; 2. Construction of Tugas Bridge and Approaches, Tabango, Leyte; 3.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

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 #1,518 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 - REGION VIII awarded it to J. H. PAJARA CONSTRUCTION CORPORATION on 2012-07-27.
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 7083ea5086…2e3b19now …
2. Block Merkle root changed
stored 935969e28c…0dfe44now …
3. Block #1518 hash changed
stored 3bb298119a…8a063anow …

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

leaf 7083ea50865a22dc3663120a2d12001219fb1ebef3aa11937677457d9e2e3b19
01 R 7443360389b72f7818131eb589cf1a256a0d0ded3c27e9bb738530674dcfaea6
02 R 1bfdc04467a891687d0c492393a763e48340b1653e5a9486059305efd7fad50a
03 R ac531ae868775fc6beafcbbecbec9ecb53436106542a90976c1202b308ba07bc
04 L 4913ce002f3d651533186d86fefcbea789ee2ec59f754c66d24ee41ccbce57bb
05 L 46978ef9e586598add06e86fe991630240e538c5ccb4a161fd3c514d3803bcdb
06 L cb80b0611b021414e034596b742c12794493254e01b97ec7bb191b74dbb42217
07 R d6f7d2436d64dbc1282bbe11e238c737f42e21cfaeac92941734ca5ba1c06164
root 935969e28c9fd2cdb33dc62590e5bec91ccd30ddd3cc634c3d0d1c8caa0dfe44