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 - PALAWAN 2ND DEO Award a ₱974.6K contract to J.N. DELA TORRE CONSTRUCTIONNational agencies

Transaction hash:

356248fdf5a072ecb194847ede72a54bcee18e954dba796149afa29fd5c49df6

Status:

Included and unchanged

Block:

#1,329 4,684 blocks after it

Position in block:

Transaction 7 of 43

Award day:

Dec 22, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND DEO

To:

J.N. DELA TORRE CONSTRUCTION

Value:

₱974,618.54

Project:

Construction of Multi-purpose Building, Poblacion, Narra, Palawan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND 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 #1,329 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 - PALAWAN 2ND DEO awarded it to J.N. DELA TORRE CONSTRUCTION on 2011-12-22.
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 356248fdf5…c49df6now …
2. Block Merkle root changed
stored 135ed094c8…7bc693now …
3. Block #1329 hash changed
stored 26d491f2da…061183now …

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

leaf 356248fdf5a072ecb194847ede72a54bcee18e954dba796149afa29fd5c49df6
01 L 2abeed0c23cdf1967946087ce296a4de7ff75b3c5e3ffad5f3e1aea4445425b4
02 L a1a357dedd735084c1f69ada780c6d80ac693512f097fdb6ed8cb765d80bbe26
03 L 681677581fae6051b615e5f4ed07a068a915507f7ff248addec713aec2f33437
04 R 4f9b484ac619459c473942dd33060b3c3412a9ce19033c090b0072d227655371
05 R ef5f9003ea51fcfc37f9c3dc7966c32d106da8c44fc1e22430a9e6642fde631c
06 R aa9d10d6a7706fda64ff367b54785ea4e90435361012ba35c87e5fb5885cb497
root 135ed094c840680f3ef54a924c67603bababd40a6e9e882e6f68a1bae07bc693