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 - COMPOSTELA VALLEY Award a ₱56.2M contract to O.G. SANTOS CONSTRUCTION / METRO GEAR CONSTRUCTION CORP. JOINT VENTURENational agencies

Transaction hash:

aaa185ea40826596b119c729772644aafa7fd9063ebeb09620766921747c6b51

Status:

Included and unchanged

Block:

#4,080 1,933 blocks after it

Position in block:

Transaction 61 of 96

Award day:

Apr 15, 2020 (6 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

To:

O.G. SANTOS CONSTRUCTION / METRO GEAR CONSTRUCTION CORP. JOINT VENTURE

Value:

₱56,154,184.54

Project:

20LA0114

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

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 #4,080 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 - COMPOSTELA VALLEY awarded it to O.G. SANTOS CONSTRUCTION / METRO GEAR CONSTRUCTION CORP. JOINT VENTURE on 2020-04-15.
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 aaa185ea40…7c6b51now …
2. Block Merkle root changed
stored b93e7dc325…99667enow …
3. Block #4080 hash changed
stored c8ea5fdf51…6c920dnow …

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

leaf aaa185ea40826596b119c729772644aafa7fd9063ebeb09620766921747c6b51
01 L a9c12bfec916add40057b8f84659d2849b67af0c77f4102b898d2e25aa4d8ef5
02 R 694d48590e77b53c088246c89c2591e587fb7fac05393637d7e1a90ab634c1af
03 L 9bdb04857dadd166872a0f227323e8e61de864072a10f973e63738a56383c216
04 L 3c6aadd92da023edd5697214bee57f10b9da6a5e85a2270b22037bc2ffe53924
05 L 407ebc81fa789f61e270510922c828d452df83612fd1e100df7d8314e9711817
06 L ea6e87794e1948b2e339049e2669e4a446765aff15168133ee6b2f2580b68f12
07 R b9507bb9b15e9a7300f9a285f4c2904df00522aacc22ec6f64af774edb10c207
root b93e7dc3252cf8e2d0e85859db58986fa169f4e2d841e63097cc41187399667e