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 - DAVAO ORIENTAL 1ST Award a ₱9.7M contract to COASTLAND CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

9a5a2a62de4cdcdad2e97049908ee0e243b71bbbea9fe66146c03a3dbd18f7f2

Status:

Included and unchanged

Block:

#1,407 4,606 blocks after it

Position in block:

Transaction 40 of 66

Award day:

Mar 21, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 1ST

To:

COASTLAND CONSTRUCTION AND DEVELOPMENT CORPORATION

Value:

₱9,738,421.13

Project:

(12LF0003) Repair/Rehabilitation/Improvement of Surigao del Sur Boundary-Davao Oriental Coastal Road, km. 1543+621-km. 1544+574(w/ Exception) District 1, Davao Oriental

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 1ST

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 #1,407 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 - DAVAO ORIENTAL 1ST awarded it to COASTLAND CONSTRUCTION AND DEVELOPMENT CORPORATION on 2012-03-21.
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 9a5a2a62de…18f7f2now …
2. Block Merkle root changed
stored e958648c32…0ec6ednow …
3. Block #1407 hash changed
stored 03e977f8d7…721e49now …

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

leaf 9a5a2a62de4cdcdad2e97049908ee0e243b71bbbea9fe66146c03a3dbd18f7f2
01 R a2541a40ff097f7d2e73815387a9955007c6496d37b147fb79f0eb38f0a23465
02 R 277af8662e68f01248fd249eefbf8a74fcb5a29fa279470d706a2da821866a59
03 R 8fb82069450945c26ab927beb998cdc167ad72d51799a7cba131780c27d9fc9e
04 L b949ea4c57d65a11e085fb39c86243f31b65c3a11d4453f9c49098ef7a3450a1
05 R e211dfcb3dad5d7da0739f23bd7a5b23c951ecd0249ee29d8547d7499f5bdef5
06 L 0d9bf292ba7c4bf7ac8d5791ffe5cc35431a2f9478c73cec7e1495d9ac24ca05
07 R fb5baa7b58c7727693acbeb00fb4b10bf8afb5db6eaa4fae5ea382c0d4c1109f
root e958648c323ee86e77b578168646756b890f11e59e4eba4341b37133960ec6ed