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 - ISABELA 2ND DEO Award a ₱5.5M contract to RRC CONSTRUCTIONNational agencies

Transaction hash:

b98cdbf7c04f2a11a29bc415e49046f3454c3dbf769c62e2b92e0c8715c12e30

Status:

Included and unchanged

Block:

#3,208 2,805 blocks after it

Position in block:

Transaction 114 of 153

Award day:

Oct 4, 2017 (9 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

RRC CONSTRUCTION

Value:

₱5,487,943.01

Project:

Repair/Rehabilitation of Concrete Pavement along Santiago-Tuguegarao Road, K0393+130-K0395+000 and K0414+237.50-K0414+489, Mallig, Quezon, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND 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 #3,208 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 - ISABELA 2ND DEO awarded it to RRC CONSTRUCTION on 2017-10-04.
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 b98cdbf7c0…c12e30now …
2. Block Merkle root changed
stored b116050aa1…3b3c76now …
3. Block #3208 hash changed
stored 8a8b273f8c…f48502now …

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

leaf b98cdbf7c04f2a11a29bc415e49046f3454c3dbf769c62e2b92e0c8715c12e30
01 R bc19290bdae5bfda1df96f9d4051630869b94df8be77ab51d32a178268a04a99
02 L 4d178f8336c7b913aa43954e2ce81f627db0e998c23f3526da2d485cc43d617e
03 R 849dc7b81eecc197c12d64752734222368f25333e211b6f91f773015d5d78e5c
04 R bcd368fbff4049e4148ffe3c86448058521e685ba36952ec14934e316e58ec2e
05 L dddcdcd01417bbf7ece19bf535665cb97030d02a873f653372e304c709fe2783
06 L 443aedd57ee266cd7f76e1f1ad233f6b1f7c9222020cb100dd18c4b04345402a
07 L 4a1d57289d6a9bc31cb951a182d1aeb99c7177019cf4d049b7ccc7d4fe9dcd6c
08 R 4e64f233ccd60b13642cd9676dd616c99e66a5af8b1a55192eff54d099422819
root b116050aa14ecdd91f91dfe9d4f68916b960035d4830c8983728b4c2b13b3c76