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 - LANAO DEL NORTE 2N Award a ₱725.3K contract to AL-FAHDEL CONSTRUCTION & ENGINEERINGNational agencies

Transaction hash:

e630f8967488cdcd741da9e8f2c333a09bee914f44f9d6e33a17b7f493f36b52

Status:

Included and unchanged

Block:

#1,609 4,404 blocks after it

Position in block:

Transaction 59 of 71

Award day:

Nov 12, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

To:

AL-FAHDEL CONSTRUCTION & ENGINEERING

Value:

₱725,324.43

Project:

Rehab./Improvement along Misamis Oriental-Ma. Cristina Boundary Road (Km. 1511+089 to Km. 1520+000) w/exception, Brgy. Dalipuga, Iligan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

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 #1,609 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 - LANAO DEL NORTE 2N awarded it to AL-FAHDEL CONSTRUCTION & ENGINEERING on 2012-11-12.
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 e630f89674…f36b52now …
2. Block Merkle root changed
stored 0c70872a05…6d06b0now …
3. Block #1609 hash changed
stored 4f765f90c7…4c2500now …

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

leaf e630f8967488cdcd741da9e8f2c333a09bee914f44f9d6e33a17b7f493f36b52
01 L e067dfbaf9ab8ac5e061bfa19dbbf3a4c2b239ac785984de7d4b2dde117fd110
02 L 865de1c07a5e9b7c8fb929d19ff2f086453a1b4b3910c9057bcfb567c0a7f302
03 R dc21ccce592b19dbf96eb2b25a69d95619f7414bc550342685c0a1e3c8c18407
04 L 943b461e40c6ae1e019ca7ab907df534f90e173ab60e03b83891a92f329617cc
05 L 7b869b7dbad588c988481867736cb348bea8a34e1472fd1fa55f14c7b9363f81
06 L 9b77ab6a03627823337830c72a38b8e3bb2db6dfddb208d6735b2121b5fffb6a
07 R 3528171ec8e39593cd8cbc7a4c302339c3ee9ba10286906978d0d20f4116ba1f
root 0c70872a05f2d5dab1a28095736b38341f6184dc3f5ec069a309198fa66d06b0