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 1ST DEO Award a ₱4.6M contract to M.C. TAGUBA CONSTRUCTIONNational agencies

Transaction hash:

c502bf9136ef2f3e76cec57a735c49467cc88327bcc555e6d6fce8eea229631e

Status:

Included and unchanged

Block:

#3,603 2,410 blocks after it

Position in block:

Transaction 178 of 224

Award day:

Nov 27, 2018 (7 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 1ST DEO

To:

M.C. TAGUBA CONSTRUCTION

Value:

₱4,605,938.41

Project:

18BE0142

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 1ST 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 #3,603 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 2018 DepEd BEFF", i.e. the FY2018 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 1ST DEO awarded it to M.C. TAGUBA CONSTRUCTION on 2018-11-27.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18BE0142: 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 2019-03-07). 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 c502bf9136…29631enow …
2. Block Merkle root changed
stored 3d04f44931…3ee9denow …
3. Block #3603 hash changed
stored 4907b836b5…6f11f9now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 223 records. Each step hashes the current value together with the sibling shown.

leaf c502bf9136ef2f3e76cec57a735c49467cc88327bcc555e6d6fce8eea229631e
01 R c51c8708c26a64da0ab88d09712d8271bdca9da766fc16fb5f6f075e42168d6d
02 L 6baf54ba299fe9560bd82e2aff6619c2c18499226e4ba2c6af348e82c93f0198
03 R f3611842638d412376a257b6c957df34ba26012b26aaf3fe975fb2e024593e70
04 R dbdb4ad07407930d8153d2aa403cd8bd5d7077278f1c61610ba553bf09cb4f7e
05 L 0ce73f7018c393531fe2876e80a191a03d2c58904bab70fd052ca22d55afa0dd
06 L 66137f2e5b8b034b384b410c1c16a5e8bd1159fa0966a1614be7de8cd0c859bf
07 R e20cdb8fece6652277125abcd4039b1349b459966727e45312e99716a8104d60
08 L 7f420fe5f40c3173f41b7a0a0a85b8c76772ca5dfd2ce6f254cb407a777649cb
root 3d04f44931a4d9ebf4ec78db92ca8d51e0b791410a2abfeb9f3029c8733ee9de