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 - NCR Award a ₱187.4M contract to CHINA CONSTRUCTION FIRST GROUP CORPORATION LIMITEDNational agencies

Transaction hash:

892895759a75b3fd8f65b45ea7975c9b05fc1ff68e9e7e4b786cffdbf71ae55b

Status:

Included and unchanged

Block:

#4,884 1,129 blocks after it

Position in block:

Transaction 72 of 120

Award day:

Aug 11, 2022 (4 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NCR

To:

CHINA CONSTRUCTION FIRST GROUP CORPORATION LIMITED

Value:

₱187,389,098.95

Project:

22O00047

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NCR

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 #4,884 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 - NCR awarded it to CHINA CONSTRUCTION FIRST GROUP CORPORATION LIMITED on 2022-08-11.
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 892895759a…1ae55bnow …
2. Block Merkle root changed
stored c688aa4e23…1afa99now …
3. Block #4884 hash changed
stored 594a9717e6…578562now …

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

leaf 892895759a75b3fd8f65b45ea7975c9b05fc1ff68e9e7e4b786cffdbf71ae55b
01 R 8cb529b721676b4153d0f1e1dbcbaf2bb39624c215eae6aa4534956a1c990046
02 R f7010f4ac3ee8a36de0c4052635144d755dc5329b0936687b783cbfddd0db547
03 R 98fb2200c46250f09bceeb38ee3f29d6d31a3f3b36feef3211bb192a114043dd
04 L bb62fe73f14e07a2c234d80533eecef902bdb3e4348ed8546d1459ebf3d651a4
05 R adf8cb243a64d9e900684ea8660082925441c1a019bbfe387258339f7ed9dea8
06 R 4b893859cb9555345838a8dca67a315fea872a0d6abe7796515f7fbb625104da
07 L a10ead538fe320d4b93918d933c6adcedee61342678a2c96150c93d1bf754912
root c688aa4e23ddd822e852aa58795729f2fb035b494520ab63e030701bc11afa99