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 - ILOCOS SUR 1ST DIS Award a ₱964.4K contract to N.A. IBARRA CONSTRUCTIONNational agencies

Transaction hash:

0bc3daea353fee62d0983bc93d28e305a759836fd7adb262823664a583685332

Status:

Included and unchanged

Block:

#795 5,218 blocks after it

Position in block:

Transaction 4 of 42

Award day:

Feb 9, 2010 (16 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

N.A. IBARRA CONSTRUCTION

Value:

₱964,386.71

Project:

Rehabilitation of Damaged Flood Control Structures, Brgy. Jordan, Sinait, Ilocos Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #795 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 - ILOCOS SUR 1ST DIS awarded it to N.A. IBARRA CONSTRUCTION on 2010-02-09.
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 0bc3daea35…685332now …
2. Block Merkle root changed
stored 8b2d350f25…47e1e8now …
3. Block #795 hash changed
stored 1a5f701149…7e95e5now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 41 records. Each step hashes the current value together with the sibling shown.

leaf 0bc3daea353fee62d0983bc93d28e305a759836fd7adb262823664a583685332
01 R 0c3e791f06b3c0c79337a59a246420358feca95cd13a6769f89d515ca11f3aae
02 R ac7647ad1b277ea6482df3b7db3fd50532603316308bb67b616cdc94974b3d1d
03 L 7a33225f9deff737f22376409ff6d01dab295ae4460e38ab572d6c5104a0e315
04 R bc0e165c8279cc426729f222c97acfda681442a623a002a7a533f1a0c3043656
05 R 5cc064d86f43ea2447af3164cea17c05af0a20f60f705c571e9bd30d9aef5235
06 R 4e2241e8b591118d253b3620bb1394cc5d4e9f19f55fa4241d4c2492ed809909
root 8b2d350f25656ae0b1503abccaaec83b36e8f164118059adec84ba949447e1e8