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 - LEYTE 2ND DEO Award a ₱286.6K contract to B.Y.A. BUILDERS & CONST. SUPPLYNational agencies

Transaction hash:

5262f0b666e6fe9879fff412d381a65ee8e02d0bc533b555245eb7ccc5644f1b

Status:

Included and unchanged

Block:

#1,073 4,940 blocks after it

Position in block:

Transaction 5 of 18

Award day:

Feb 16, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 2ND DEO

To:

B.Y.A. BUILDERS & CONST. SUPPLY

Value:

₱286,604.79

Project:

Construction of Concrete Line Canal-Poblacion, Dist. IV,Barugo,Leyte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 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 #1,073 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 - LEYTE 2ND DEO awarded it to B.Y.A. BUILDERS & CONST. SUPPLY on 2011-02-16.
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 5262f0b666…644f1bnow …
2. Block Merkle root changed
stored 89ebd3c53d…d8142anow …
3. Block #1073 hash changed
stored 6f8eaf2ce4…72d503now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 17 records. Each step hashes the current value together with the sibling shown.

leaf 5262f0b666e6fe9879fff412d381a65ee8e02d0bc533b555245eb7ccc5644f1b
01 L 4cb6c99e27be8b4c611fe2c11334066aa607c9990702f460386e7ad8f38649dd
02 R 7f456e0b7f23250066deac4fe41019d4c5ba9abb559bf0731be8c8d66ab9daab
03 L 469f2509275f555d66c21152e46096b12ba88ba621ae232b68a6b34139369845
04 R fdea8a60184f20822601660087c187a147706d2bdadbaa6c2ab2dc9e979781e4
05 R 90d751a3900ed0ce76ea65e688d0da66b3bda3bb2043ed509ce048f0b3c5d622
root 89ebd3c53da5ea4060e1a254e01016d110b9d826a522ee79b2ee220349d8142a