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 - N. ORIENTAL 2ND Award a ₱9.1M contract to H.L.J. CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:

2a1ae1dc5df5d4c73acbf26a5dfd5dad872a20533932df19afe9813438ac223e

Status:

Included and unchanged

Block:

#1,522 4,491 blocks after it

Position in block:

Transaction 18 of 71

Award day:

Aug 1, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. ORIENTAL 2ND

To:

H.L.J. CONSTRUCTION & ENTERPRISES

Value:

₱9,095,927.43

Project:

Repair/Rehabilitation/Improvement of Dumaguete North Road (Dumaguete-Jct. Kabankalan), K0048+240 to K0049+936 with exceptions

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. ORIENTAL 2ND

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 #1,522 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 - N. ORIENTAL 2ND awarded it to H.L.J. CONSTRUCTION & ENTERPRISES on 2012-08-01.
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 2a1ae1dc5d…ac223enow …
2. Block Merkle root changed
stored 4373ce068f…6e960fnow …
3. Block #1522 hash changed
stored 8ef1f3816d…953a31now …

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 2a1ae1dc5df5d4c73acbf26a5dfd5dad872a20533932df19afe9813438ac223e
01 R 328b242cb7f4e1cfcf8d30c18de71a95f82f3b73b3334d9b229122a1c7fd3efe
02 L 1a51071f5da318fdcf1f6af6a5499531b1f50aed39a07e20c5d66a9ce9b77c90
03 R 507fa6401ba9c4827c3435ff8f602b9f8f73e36baf893027b6faa253db96fe3e
04 R cf1faad09d679ec09aed0c5efae71099f20ad33c8f07eb7157c879ea3dc29cc3
05 L ed4ce315bf988d0b202e6d2daffb75e5e1e99e763d91768988f7766e6c1338da
06 R e376ca1d9f339c5440357b61b87647ea47db6bb4809d3e08c9c8f7e829de9707
07 R ac666faf3a648682db185394665da2d8c499060f0998c4ffd7b52e9bfcd0e62f
root 4373ce068f0aea566d122a6eecabc75eddadb68f46c319d5087d5c39a96e960f