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 - METRO MANILA 1ST E Award a ₱28.5M contract to PRUDENT DIAMOND SQUARE CONSTRUCTION CO.National agencies

Transaction hash:

6be5d9efbed5590db19c56eeb93a99bf55772e33de3e44c3e3177242725bca3c

Status:

Included and unchanged

Block:

#4,179 1,834 blocks after it

Position in block:

Transaction 24 of 40

Award day:

Jul 31, 2020 (6 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E

To:

PRUDENT DIAMOND SQUARE CONSTRUCTION CO.

Value:

₱28,476,880.37

Project:

Contract ID No. 20OB0437 Contract Name Construct

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E

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 #4,179 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 2020 DepEd BEFF", 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 - METRO MANILA 1ST E awarded it to PRUDENT DIAMOND SQUARE CONSTRUCTION CO. on 2020-07-31.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20OB0437: 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 2021-02-22). 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 6be5d9efbe…5bca3cnow …
2. Block Merkle root changed
stored bc4f5e0d79…b35196now …
3. Block #4179 hash changed
stored 0089a9264e…28826dnow …

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

leaf 6be5d9efbed5590db19c56eeb93a99bf55772e33de3e44c3e3177242725bca3c
01 R 776c849b31cc4085210c04b24dbd1ee9fbcbc0adce92f88005484eae1d2a0230
02 R 082a9eaf666d682b5c6112dd7fbe20442dde7ba7a96dabd4fae858401eb1fa6d
03 R 2484ab278c1bf2ea1054b5faf3e0fb63a1bfbaff6a65265426a00b66076599a0
04 L 2571ff0f079433cce4acee0b3ed87d2918b28973cf69dd4cf9ed22c394b1210f
05 L ecd850c9f3e9b5a696a7d934712e449c727ac1acfd849955c4874171b70cae0e
06 R a279ab3a37deefc1e978baab61760aa1ccef83a387fb7e070bbf472e6d660826
root bc4f5e0d79fb26ed3f462289cfc51461791af3bcea19c569a9b76940ccb35196