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 ₱3.7M contract to 1HB CONSTRUCTION CORP.National agencies

Transaction hash:

d033c548d9fe600cc8620b76e2191ce72dd2e67ea8cf0576efb8b2c9a70eee24

Status:

Included and unchanged

Block:

#5,076 937 blocks after it

Position in block:

Transaction 66 of 81

Award day:

Feb 24, 2023 (3 yrs 8 mo ago)

From:

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

To:

1HB CONSTRUCTION CORP.

Value:

₱3,717,255.00

Project:

Contract ID No. 23OB0098 - Rehabilitation of Flo

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 #5,076 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 2023 OO-2", i.e. the FY2023 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 1HB CONSTRUCTION CORP. on 2023-02-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23OB0098: 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 2023-05-04). 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 d033c548d9…0eee24now …
2. Block Merkle root changed
stored bfd474f7a2…dd6c4enow …
3. Block #5076 hash changed
stored 4ca6d8ba0f…d7578anow …

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

leaf d033c548d9fe600cc8620b76e2191ce72dd2e67ea8cf0576efb8b2c9a70eee24
01 R d689927af6859c713f47d0baa007e6f898a55a9f56de1e2f487dfa3946b78a87
02 L 89197d30895ba2645c2068ea3c68cdc5466fe3be852b993e28fa89f7ff22f460
03 R ed6df8c4177756d8e153d74d01cdc2a1ce8a16ad871f98ccc03c2bda0209daa7
04 R 22a26a12c98ec1409f1b91bd60168a35b40fffcfdd22f0d7a10c012533bdb533
05 R 7044b0528b79942c1b069256a25d03f195f6d5d4d336d83634e7160b779f69a6
06 R b5d504a1ddb55c51282a3963c39acc563bf94a776e80e0e022d4ee03d35667f5
07 L 98619a20f0baaf7d9a31f0829240062de1cbaabfdd2759754e6eaabe4bdb6bbc
root bfd474f7a247a771e008f903763796665c7798fdc426ace366c835bc83dd6c4e