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 - LANAO DEL NORTE 1S Award a ₱1.8M contract to GRAND BUILDERSNational agencies

Transaction hash:

c4d2eebdc44d76533d783fbea9a8e7a013f7399f179e10e98924cd9ebe48907e

Status:

Included and unchanged

Block:

#3,372 2,641 blocks after it

Position in block:

Transaction 415 of 525

Award day:

Mar 26, 2018 (8 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

To:

GRAND BUILDERS

Value:

₱1,838,879.15

Project:

18KG0009(Rebid)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

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 #3,372 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 - LANAO DEL NORTE 1S awarded it to GRAND BUILDERS on 2018-03-26.
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 c4d2eebdc4…48907enow …
2. Block Merkle root changed
stored 15f9168453…d6ebf9now …
3. Block #3372 hash changed
stored 5ae613da7c…4162d3now …

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

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 524 records. Each step hashes the current value together with the sibling shown.

leaf c4d2eebdc44d76533d783fbea9a8e7a013f7399f179e10e98924cd9ebe48907e
01 L c48621e22cd29448a880e8c600ffe0d0923289a4e07278fce05dfc99f722983c
02 L e8731e3376fb3507b86dec781380e4fa888fbcd6a73764e9bd82ec28fe80ec6f
03 L cabd7604b16b1649175df839063d4da450d8fc17fb55ba4cad5779e6236dfc02
04 L 25451530f9e8fd38c6bbc4ea1a2dfbef784142918d01c3194f47e19feeb03000
05 L e77a11c830512a9beed7e76953ce0564b56d7dffaa47b23e3b510225f7b972a4
06 R 725f0f4ecd6bf86ef5c05c7fffd7405acbbe258db21fad986e95b33ff621a117
07 R 716abaef7b8805ef1ab9e873d506381f42f8a3cfa9a4771a41760c3bdad605f3
08 L bdf5686a01730a640851690f8dbc57a61318d9ff7e81a645a393fd00ffeb380d
09 L 7acb9c7b9f3f96f120fbf77a66e75d83d41ac15ba601f1fd63053e46ada331e4
10 R aa2850483daee5205aa5f747f01559d7224cefb5254f2ff2a431c55147166840
root 15f91684536ce0a5bba6d59a561264e75ae7e43bd7e1137933d2090ed2d6ebf9