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 - REGION II Award a ₱40.2M contract to APD CONSTRUCTIONNational agencies

Transaction hash:

d265c0024da4e13cb731c20179c38fffd85e23d027ce4e5fbe576b61c772760d

Status:

Included and unchanged

Block:

#4,748 1,265 blocks after it

Position in block:

Transaction 630 of 755

Award day:

Mar 16, 2022 (4 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

To:

APD CONSTRUCTION

Value:

₱40,152,914.60

Project:

22B00039

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

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 #4,748 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 - REGION II awarded it to APD CONSTRUCTION on 2022-03-16.
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 d265c0024d…72760dnow …
2. Block Merkle root changed
stored 49bfa937da…58f062now …
3. Block #4748 hash changed
stored c9c6501282…1b848enow …

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

leaf d265c0024da4e13cb731c20179c38fffd85e23d027ce4e5fbe576b61c772760d
01 R d2bf6819a0e120152333fac9feebb0de2f4f305b087d41043f5c4352da2ec311
02 L 4f7c6e98bccd4b60402adbf20b9791258ebba6fba6b731b71b7c85cbc11dfbf5
03 L caffa8831975f521d594a7d9ca43e1034369e363246311c7b62fe38c912bc3e2
04 R c805fa20610729ce0f2ab3cc3eb6a6f384c4b0fbf0469efb64fb8ac987d942f8
05 L 6f9eea8c90886711ae42068b082dee537a9d52ca7fc0af6d90593f3fe1dd93ed
06 L ed57692230716b430a4d348c2544ea726c209ac991fc17caa11e0215b33dbb40
07 L 13e3921c81a76817b1cddd07456c6c1baa1ae13d5b7a0f66387867a83239d96e
08 R 7f64f3ff626908da7196256a657289c8087549c3dd44125899ba60af432ab788
09 R 65d4c03bcc5fd29fe252925e34c71c35d84506bf1a7f79d638cb388a17102bba
10 L ba769809d3c385b04bb5dc24916186e26e8df77f73165d98f59522d59869ea14
root 49bfa937daadda4a5c4d9ece3272ff45b81898442ce5ce9ae5999fc15c58f062