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 - ISABELA 3RD DEO Award a ₱9.6M contract to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERSNational agencies

Transaction hash:

f1e7cf52ad10a3d5e6fb16bcb19e404787c7f46d05d5182b1cf37ab7b49c545f

Status:

Included and unchanged

Block:

#818 5,195 blocks after it

Position in block:

Transaction 77 of 81

Award day:

Mar 9, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS

Value:

₱9,567,748.74

Project:

Asphalt Overlay along Cauayan-Cabatuan Road, KO373+000 to KO374+000, Luna, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

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 #818 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 - ISABELA 3RD DEO awarded it to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS on 2010-03-09.
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 f1e7cf52ad…9c545fnow …
2. Block Merkle root changed
stored bb39d22f8f…a2f645now …
3. Block #818 hash changed
stored 31ac99c755…eb8388now …

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

leaf f1e7cf52ad10a3d5e6fb16bcb19e404787c7f46d05d5182b1cf37ab7b49c545f
01 L f0ec90e279a074d05aaa0b0b04e9e592a4538570c3a4111f48be842ce04a8133
02 R e841b5fffd311b561f0e878cbeb213087c046b201682aef388de935f41d09b6e
03 L 2822d6ff5621161e951981140aeb68a14b73cb737cfc7e3cd0872e5621540200
04 L 61e563b54ddcf5bd3cc0bd5562672e0e397dcd6bf4a02e029d7b6264ff6b19d5
05 R 4dee47f058664c8ae58d33d5f6f44fadbb495f31b213de1ff38d5c4b0566f1b7
06 R 59f8a27ba01cce0eb1abe39ca1f7d62be810538935f757b6553d796f9db05960
07 L ee9b54a1e1b4b8c6e380464d483b4e5ff485e8e7b215ae571b819998712aa722
root bb39d22f8fc3c257e1958bd4810b33d60b01dada0e63160c8d48e3367fa2f645