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 - DAVAO CITY DEO Award a ₱28.6M contract to ABU CONSTRUCTIONNational agencies

Transaction hash:

95bbf564e4c71c6070ebcde31a7610ac9ccd1647bd8085d06cd6698fc9e73481

Status:

Included and unchanged

Block:

#4,290 1,723 blocks after it

Position in block:

Transaction 256 of 436

Award day:

Nov 25, 2020 (5 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY DEO

To:

ABU CONSTRUCTION

Value:

₱28,576,799.05

Project:

20LB0239

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY 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 #4,290 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 "Regular Infra - GAA 2020 LP", i.e. the FY2020 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 - DAVAO CITY DEO awarded it to ABU CONSTRUCTION on 2020-11-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20LB0239: 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 2021-08-01). 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 95bbf564e4…e73481now …
2. Block Merkle root changed
stored 0a8aa90194…7e605enow …
3. Block #4290 hash changed
stored b0ada12afd…4f89dfnow …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 435 records. Each step hashes the current value together with the sibling shown.

leaf 95bbf564e4c71c6070ebcde31a7610ac9ccd1647bd8085d06cd6698fc9e73481
01 R 9609172a1035ef869ebc5a90db8023ccbfd1901cc10bbae95b3ef02797355140
02 R 857fcd72b3c7cdd0c4b6e38b2715b451bda8ff9c30bfbf97f1d6cb752aa95d0a
03 R 520b9dd3c3f9506ad92c894cbaad92a9d32616af26507bf3953747a488af4732
04 R 4edd4e13622af46904ae45af20509d109ecd712264d21ac7c27aef2e4ee76d3e
05 R 812062152e65009862023d71245f7feed25892804425914cf3b73672f14256d7
06 R 34cbd31c409816f37c714b47834e0f204b046e9eaad3f5b563262f0c2eef8283
07 R 5f856f0954cc1e59e27c793024ec8d92fcde040b5dd4f487726e676e0178beb8
08 R 77606a1eebf1e5fd1f28b074c587478bccd030bc0107582d4c1868c2e45d365b
09 L 508bd9992fafd074a218fc7017aa642fd333bcc98bfd6819f108e62efec96dcf
root 0a8aa90194bbb0447bd26be57d4ec2ab6a284d944a8c56dbbb21ed978c7e605e