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 2ND DEO Award a ₱1.8M contract to L.C. TALON CONSTRUCTIONNational agencies

Transaction hash:

29fc58ef8a8d228ba55f2720a8440d8181097fe71d52ec9a501c7e3b8812689d

Status:

Included and unchanged

Block:

#2,813 3,200 blocks after it

Position in block:

Transaction 22 of 128

Award day:

Aug 5, 2016 (10 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

L.C. TALON CONSTRUCTION

Value:

₱1,756,447.38

Project:

16BF0048 (Readvertisement)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 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 #2,813 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)
DPWH lists the funding source as "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 2ND DEO awarded it to L.C. TALON CONSTRUCTION on 2016-08-05.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16BF0048: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2016-12-05). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 29fc58ef8a…12689dnow …
2. Block Merkle root changed
stored e1f2b872b4…52230enow …
3. Block #2813 hash changed
stored 789290ae27…61c88dnow …

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

leaf 29fc58ef8a8d228ba55f2720a8440d8181097fe71d52ec9a501c7e3b8812689d
01 R 2cba3fdd213655b802e327d8fceb0bc788fc60ea2d84a7ffe8f4edc99b316e04
02 L 334af03e2d89594aea62ade1c1abd85745d1d7e1da770f60698fe4e230974b34
03 L 18429056d24dcec13030c817c4ca4035815b4b39bba5aeb83f0c6e835f63c573
04 R 00423babb677d732cf31154139c1229b349d39f9763533578cf35a9caa5cc4cd
05 L d092e86c9bcd2385850a81cff0cd7b8f27c11b166ea11425e78c5ac8df2f7577
06 R 8d6df22cc9936b3f40abc2a86499600d2c031b343a587bfc34253c4833b7a89b
07 R 58022cc314e145556158d9e33508c0cc797e76a7f15cb5459e57ce7abeb83ecd
root e1f2b872b4529748049b807f18a5555f7f70708f3c0f9c0b8a1ac8fbe752230e