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 - REGION XII - COTAB Award a ₱23.6M contract to ABU CONSTRUCTIONNational agencies

Transaction hash:

7f30b693ebbd5542a54add157b5382c21309d364d0f77782d41db9b0a00742c4

Status:

Included and unchanged

Block:

#3,817 2,196 blocks after it

Position in block:

Transaction 132 of 253

Award day:

Jul 12, 2019 (7 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII - COTAB

To:

ABU CONSTRUCTION

Value:

₱23,640,240.58

Project:

Contract ID 19MA0014

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII - COTAB

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 #3,817 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 2019 OO-2", i.e. the FY2019 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 - REGION XII - COTAB awarded it to ABU CONSTRUCTION on 2019-07-12.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19MA0014: 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 2020-06-01). 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 7f30b693eb…0742c4now …
2. Block Merkle root changed
stored 77a5e03b52…c5bd6fnow …
3. Block #3817 hash changed
stored 4577992bb2…9ca333now …

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

leaf 7f30b693ebbd5542a54add157b5382c21309d364d0f77782d41db9b0a00742c4
01 R 8111b6f05034e594942e2782a8e7f87e5d33a036edf308e7d3c9e0d3997639c3
02 R a6539e8e4df9e5789c3a7fb7be795b59dc3f0f83ca4426a1e04e9733456875d6
03 L 25c563816acd32e6c64fb7e291c0d77889b38dbdf1eb079e9c891a039bc99350
04 R d5679388341c4d2317ee9685433e5a6754338a31b739cd4a8b03bed4e1e41569
05 R b416bc602ab5f7725aa2d83ebb2c839fe3b324cc638c090ab27adde5e9907b32
06 R 9b3caa342dd917829f93e2cf8b55b7814f32eaa25887b9aace3f234a68f19888
07 R d3d65b658fbb391e0a9cb7e16c23cd5bf5b2ac419b5cd11203bea489bdf59cf7
08 L 45782357ad8f5abaebe344dd16e2b17de91c6e43f249e23d8251fc09030b4602
root 77a5e03b523ff9ff21839895cf845a7a704511167c8ff7b290103f5066c5bd6f