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 - LANAO DEL NORTE 1S Award a ₱16.7M contract to LANAO BUILDER & ENTERPRISESNational agencies

Transaction hash:

a16ed8ce85fdabd2117bb663df9f93d8d1a3ac6df7a6a6df339c4a68c7f59891

Status:

Included and unchanged

Block:

#4,482 1,531 blocks after it

Position in block:

Transaction 187 of 293

Award day:

Jun 17, 2021 (5 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

To:

LANAO BUILDER & ENTERPRISES

Value:

₱16,721,980.81

Project:

21KG0013(Rebid)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

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 #4,482 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)
The award does not say which budget line pays for it.
Not published
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 - LANAO DEL NORTE 1S awarded it to LANAO BUILDER & ENTERPRISES on 2021-06-17.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 a16ed8ce85…f59891now …
2. Block Merkle root changed
stored c22df2ceb6…a78e41now …
3. Block #4482 hash changed
stored 4f995bfffb…bbabc9now …

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

leaf a16ed8ce85fdabd2117bb663df9f93d8d1a3ac6df7a6a6df339c4a68c7f59891
01 L 9fd26e1460baeac7df931f23b983bb178668718d35eea19601648814f8ea7f85
02 L 8f3c00249a4c1b810830f07254125e905b9e8889a8a37671388c6e9152f51fb3
03 R e5a5d299863ef3af49321f80c253bfc71504989d0eab4222877a02473e78d529
04 L 28dd316720fd6191d3743ebaf7c3eda484bc8f48e9a474ca9d3e59f12b0b853f
05 L d7186570bc610f52d9c232ce0a53fe0c401d14d868bfd84305c93c4a2d7b4959
06 L 67a5dc55391c7a2e26e9a6b4fb58b7ebe145c2f6b514346c63f474ce2e51390e
07 R cb1d403e137ca0ef3bc638d7adfb0fdff300123ae12872e9ef434535b8463c78
08 L 81b4b35803b0b4ca9536eea8f158d6f46488a010413e9f25ba988e00d237ea69
09 R 505e1386554c3d96c5752a5fcdbd4cbfad53624cad9817c0810b6c47e0ed88c5
root c22df2ceb66c1879b0592669a8abf71ef791240fa396825a0431c30b66a78e41