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 - CAR Award a ₱656.9K contract to H.D. DE CASTRO CONSTRUCTIONNational agencies

Transaction hash:

c865c68cf8bc5e792cd6260ad668a868f4ccf8d6f3f678b2046840cd1764f3a4

Status:

Included and unchanged

Block:

#763 5,250 blocks after it

Position in block:

Transaction 35 of 41

Award day:

Dec 23, 2009 (16 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

H.D. DE CASTRO CONSTRUCTION

Value:

₱656,856.53

Project:

Concreting of Road at Barangay Holy Ghost Proper

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #763 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 - CAR awarded it to H.D. DE CASTRO CONSTRUCTION on 2009-12-23.
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 c865c68cf8…64f3a4now …
2. Block Merkle root changed
stored fa33d8abc5…84c59anow …
3. Block #763 hash changed
stored bd435961e7…43cb9enow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 40 records. Each step hashes the current value together with the sibling shown.

leaf c865c68cf8bc5e792cd6260ad668a868f4ccf8d6f3f678b2046840cd1764f3a4
01 L c29c3e90ad6919ff6d00fbae8bf0e54853008fe5b29b69636a24f805bc928f7b
02 L 726bbf384ca4cc2138d3a3c62bd4fe1eabe4cc3b55e6ed8431d9f8e386d628fe
03 R 059955ed0a61601172e44122dceecae225bca45d40151c9e61ebc428c549cd07
04 R d6f87cad23425e7f40b45eaebaa13a19c2813377a79570941f5eec75c13bfa66
05 R c968210821a932d3116362fc16a3fc7e7ef7a357ce64362272a9946d2d741923
06 L f119c8778f53bb58339109277f1749b3c238f6ac0de7765b6fc6b171c0608767
root fa33d8abc51789dce7eb8690f09d50b7c391dde0d1be5ebee3bb2d1bd684c59a