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 - AKLAN DEO Award a ₱391.0K contract to J.C. TAMAYO ENTERPRISESNational agencies

Transaction hash:

3ed2ca48918e65c91c25144e74640ea8ea428718fdbbb411039d078f94f8a6cf

Status:

Included and unchanged

Block:

#4,669 1,344 blocks after it

Position in block:

Transaction 29 of 146

Award day:

Dec 24, 2021 (4 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

To:

J.C. TAMAYO ENTERPRISES

Value:

₱391,000.00

Project:

21GA0282-Construction/Completion

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN 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 #4,669 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 2021 DepEd BEFF", i.e. the FY2021 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 - AKLAN DEO awarded it to J.C. TAMAYO ENTERPRISES on 2021-12-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21GA0282: 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 2022-07-04). 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 3ed2ca4891…f8a6cfnow …
2. Block Merkle root changed
stored 5f1de6cf26…590f7dnow …
3. Block #4669 hash changed
stored df4e80eba0…6b6ac3now …

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

leaf 3ed2ca48918e65c91c25144e74640ea8ea428718fdbbb411039d078f94f8a6cf
01 L 3bb11e5f5241d68a571a8307b214d7c7f0c0d7b2231e7bc2506479ea2682124c
02 R b93a68c5430108cb4c19eb9a1fd845cf91907d921b145374ecfab87b04226c60
03 L 6ad462ffda962613cb58b5712868b65a8fb84903a18ac5ef01b90d384b8ad8e7
04 L 879d2da9f89fa1f324ec3182e2222a255308001f506166a69aadafba87f849fc
05 L d332f6cab12564f08d02110a39717fa5908a5c5a4d01c088d5fc5fbff8d664a5
06 R fc7d28cade1f2f6341591bf8dece30b4019ed5077229e44cc831fd18d48a24d9
07 R 7aa6e24d144eb659a02f288d1021e6400621d511d9c7581fcff64479286806bc
08 R 2857674f95a7540aed907204c62664c760b02b90d9ec8ce7a08c5b856538f6d1
root 5f1de6cf26bc353dacaf002616494283f5bc35c821e39193a670528cdf590f7d