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 3RD DEO Award a ₱93.4K contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

aabb777026a220a8b39dfdbe4dc3e6c25ea9bc0a20c969ad97d734c444244a5e

Status:

Included and unchanged

Block:

#610 5,403 blocks after it

Position in block:

Transaction 42 of 62

Award day:

Jun 1, 2009 (17 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱93,445.29

Project:

Completion of 1 CL School Building at Minanga E/S, Angadanan West, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 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 #610 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 3RD DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2009-06-01.
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 aabb777026…244a5enow …
2. Block Merkle root changed
stored 9f179dfbd2…617acfnow …
3. Block #610 hash changed
stored fd9ea7e5ef…61b21anow …

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

leaf aabb777026a220a8b39dfdbe4dc3e6c25ea9bc0a20c969ad97d734c444244a5e
01 R aeb42c5869e94926ccd45937e35282cc903894b07efab0d72be09bca2a7341b3
02 L 24171a77f546ce4109f95034eeb3ae72a8805b0183dcda99d0b1b529c80484e5
03 R 2895f9ee68db6cc5067509af79811fca22800fd32b63ad119b772a08cb9c55c4
04 L 2f8aef843eb3a23c63765067e9c5994c81c008ed28a135f4ec1e7c10d9efeeb6
05 R e24ea041ec31564994cbef406b5a1ae6c9b6351828b3cd0796607013e1781f76
06 L e4f1d55618f99b62dc02ad1270f77c8cae874f8a4a7d9d64eb6cdabf15e0c616
root 9f179dfbd2ecc03f2c31e0c334cd45c032df5a5985c9e7991aa7513df6617acf