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 ₱9.8M contract to R.O. BUILDERS & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

b5b7d34b4fce4175fb575156eb66701c4a60aa4725cdcb63b4c706bc96b5c9c5

Status:

Included and unchanged

Block:

#1,260 4,753 blocks after it

Position in block:

Transaction 35 of 44

Award day:

Oct 5, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

R.O. BUILDERS & DEVELOPMENT CORPORATION

Value:

₱9,817,107.99

Project:

Asphalt Overlay along Daang Maharlika, KO345+075 to K0346+359 with exception, victoria,Alicia, 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 #1,260 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 R.O. BUILDERS & DEVELOPMENT CORPORATION on 2011-10-05.
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 b5b7d34b4f…b5c9c5now …
2. Block Merkle root changed
stored cbb9288a2c…55dd30now …
3. Block #1260 hash changed
stored a22a6baf33…6c4c90now …

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

leaf b5b7d34b4fce4175fb575156eb66701c4a60aa4725cdcb63b4c706bc96b5c9c5
01 L a2baaaac1de6cc63fffb73f1db89918df0afd52b64dcb21ef923728ef9db6bfa
02 L 9258f9811fc34b5b5944b693277d7a778529289f49011a665e14932279babaf6
03 R eeb4e61ec180c2321514a9d2557d4dd9611d519cf1681d092a11414eb6310f9b
04 R 33388969c3483afb916d5215d39dd6368cb2a6133151e4296dab8eb7a535e6db
05 R 2f9e63477e8f5fe650d4fead65c170727836724d4e47ed9c6eb7080c0045008d
06 L 5a3cb6c6f60d7942de3082e27580fc19c44b7096051aa23b9b6e42cb78ae0e2b
root cbb9288a2c4671ac963b108cc5656f9eb06acefca683bbffc8eb1d631d55dd30