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 - CATANDUANES ED Award a ₱1.9M contract to ALJON CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

ddba06ac77df298ecb37b9711796e8e0e8eeff89607969df323780195cd85922

Status:

Included and unchanged

Block:

#2,386 3,627 blocks after it

Position in block:

Transaction 97 of 109

Award day:

Apr 22, 2015 (11 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

To:

ALJON CONSTRUCTION & SUPPLY

Value:

₱1,940,000.00

Project:

EMERGENCY REPAIR AND MAINTENANCE OF UNPAVED ROAD A

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

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 #2,386 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 - CATANDUANES ED awarded it to ALJON CONSTRUCTION & SUPPLY on 2015-04-22.
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 ddba06ac77…d85922now …
2. Block Merkle root changed
stored 65da25daf0…f9e27cnow …
3. Block #2386 hash changed
stored 8b1e78fd14…11c648now …

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

leaf ddba06ac77df298ecb37b9711796e8e0e8eeff89607969df323780195cd85922
01 L db404184c8abf25710d30a74e862cb4454709260f5b93af7180d351f247fc88d
02 R 8c049ebc12a6ed213c7085647f44f76a24a293a0579b682bdb7d4e0ebae78d72
03 R bd0d81450413531a336d92883fe54afd1523fb3b3ed5bf65457de09f986571df
04 R 94871f117ccadebe755fc85a84dc130f4f1e6572c5fc9755b4b6b6c30cf339de
05 R 596892cfb0c3e91ef377d5382f53a7d91e9a01276b60d6df0896312d0dc53249
06 L d84be868cd4e0af0247b31065bd43e562e8047144b04d23e7e2cd9aba69f61de
07 L 8860f987eeefd1fb4b3d5398af37f749d1f07f1669c952f2b54e6a7fe7d32a69
root 65da25daf03f22eb785cebd4d773c1328418331c9557255a3126e7d360f9e27c