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 - NEG. OCC. 3RD DEO Award a ₱5.1M contract to HAKKATAN KONSTRUK & GEN. MDSE.National agencies

Transaction hash:

945ca52a4fdb48ba887f889fec30c4028d2debd3dc742521d24cbfd56daf9378

Status:

Included and unchanged

Block:

#1,526 4,487 blocks after it

Position in block:

Transaction 46 of 72

Award day:

Aug 6, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO

To:

HAKKATAN KONSTRUK & GEN. MDSE.

Value:

₱5,141,487.60

Project:

Construction/Repair/Rehabilitation of Road (Contract Package B) at Tuyom-Basak-Yao-yao-Camalandaan Road, Brgy. Yaoyao, Cauayan & Brgy. Isio, Cauayan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD 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 #1,526 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 - NEG. OCC. 3RD DEO awarded it to HAKKATAN KONSTRUK & GEN. MDSE. on 2012-08-06.
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 945ca52a4f…af9378now …
2. Block Merkle root changed
stored ebf1b4c4ab…1df7fanow …
3. Block #1526 hash changed
stored 11a9ee5634…9fbb75now …

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

leaf 945ca52a4fdb48ba887f889fec30c4028d2debd3dc742521d24cbfd56daf9378
01 R 9646eab1fa4e753b82df12b9582cfbfa649d0265ca0e13331e16f54071d49fe8
02 L 344a1a7c5867b66a0c4346e22f9498762c8efe34463d4ce1d756012808739f85
03 L 6ec90858e1e50f68706d7e439dea4a1af0baa8b2feeb2f5f6185dfd87dcf96fc
04 L 39929bd8a750e0b1b141d121e87bfb4a86b5b8324bfc413ca806043d421e2a2a
05 R 55372a2d164dfd2481c891b202e88270f5d623aa54a6930303a1603035f61071
06 L ba4e55c61567d32abdc4a695b62ee1d25aa4299e23dce6c1d00b4cbbef3aab7a
07 R f45045dccac149708e9d8190ff50228d7ba9dee9871f3cbd36e30b8e71fd6a47
root ebf1b4c4ab121d5c1f52cd00d7431e5a8d07034118490a226eba1fb3e11df7fa