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 - BULACAN 2ND DEO Award a ₱988.9K contract to PRODEL CONSTRUCTION & DEVELOPMENT CORP.National agencies

Transaction hash:

bddfcfc2184aafaec6658e381b9672f42301c9852efcd3b261a5a4d7618f5d3a

Status:

Included and unchanged

Block:

#1,163 4,850 blocks after it

Position in block:

Transaction 29 of 37

Award day:

Jun 9, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

PRODEL CONSTRUCTION & DEVELOPMENT CORP.

Value:

₱988,923.69

Project:

Repair/Rehabilitation of Multi-Purpose Building San Pedro St. Poblacion, City of San Jose del Monte, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

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 #1,163 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 - BULACAN 2ND DEO awarded it to PRODEL CONSTRUCTION & DEVELOPMENT CORP. on 2011-06-09.
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 bddfcfc218…8f5d3anow …
2. Block Merkle root changed
stored 393734f8e6…7156b8now …
3. Block #1163 hash changed
stored ef3c5f2dd2…f7edabnow …

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

leaf bddfcfc2184aafaec6658e381b9672f42301c9852efcd3b261a5a4d7618f5d3a
01 L bd85b60571beb852a6bb85227a5180dcf0002aa17410c5a7000c534f21430e46
02 R b24c79427fb2e2b6d2a8c141e5ce81a276f06ef3657b4bd1587673fbc14e9b93
03 L 9427ecc5f4a30932371402add6766c95480960e5f2c87e3a134bf16d79080cbb
04 L 681472aaa7c12428e2f67c719d650092636a8765ccfb782caef65db307c8916b
05 L dc58945e8f19a6356f66c5ea88557703df71356290d5ddfe6e18a81fa74cc4e2
06 R e99c1cc30c654904689c889d3630d7f83a348a93722d930933f68a950889fadf
root 393734f8e6bd0212d99a3ca5c64c6a2f3490832122245273413465783e7156b8