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

DPWH-CAVITE I DISTRICT ENGINEERING OFFICE Award a ₱814.4K contract to LANGIT CONSTRUCTIONNational agencies

Transaction hash:

ce4bee50c4bc3efd103b901b4e1e706c56c8bcbf812bc0485510a684379de26a

Status:

Included and unchanged

Block:

#2,565 3,448 blocks after it

Position in block:

Transaction 73 of 96

Award day:

Nov 2, 2015 (11 yrs ago)

From:

DPWH-CAVITE I DISTRICT ENGINEERING OFFICE

To:

LANGIT CONSTRUCTION

Value:

₱814,380.00

Project:

15DF0146

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH-CAVITE I DISTRICT ENGINEERING OFFICE

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 #2,565 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)
DPWH-CAVITE I DISTRICT ENGINEERING OFFICE awarded it to LANGIT CONSTRUCTION on 2015-11-02.
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 ce4bee50c4…9de26anow …
2. Block Merkle root changed
stored cdcce56458…c43ea5now …
3. Block #2565 hash changed
stored 85df987491…45342fnow …

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 ce4bee50c4bc3efd103b901b4e1e706c56c8bcbf812bc0485510a684379de26a
01 L c94e054fa2219c6181e951639a053f4b9714ed88ce48146b67afa0f0d58fe99d
02 R 9b3d3bf6abd5334bf3e3136bffe2727d3f9fea83201611e9a358b7bc42a423e1
03 R 4453143c1af9df7b74498596bce4dcf2d3434f4b0496c7531e5da93e3f424383
04 L dee8885a71406d2cb8bdf467f0e09abce94dc4f3ce0fc17ef0f315fcaab2dfd7
05 R 8665c59e8a884884a7ebf85c9e08db967d0e002953779845ab73c33097d903e9
06 R 4fdf32cb2770ffee142f133db5f507d4b6c508152d0bf20d0b6f7e33d7cb6525
07 L d1816a1214f3ff1118a285906b0b30d4b5c904e27bcd6f83f882ee76938fb817
root cdcce564584a97a09fa18ff3dc841b5bf4b5cc9f1c93ea38e2a9f0d97dc43ea5