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 - NUEVA VIZCAYA 1ST Award a ₱490.0K contract to E.M. BAYATAN CONSTRUCTIONNational agencies

Transaction hash:

900c57f2ef591ff2f50d4db6bce7e5f0e8b96c3a5c8f0d5fcf30c05e2b04b8a1

Status:

Included and unchanged

Block:

#1,371 4,642 blocks after it

Position in block:

Transaction 29 of 57

Award day:

Feb 6, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

To:

E.M. BAYATAN CONSTRUCTION

Value:

₱490,000.00

Project:

Construction of Langak-Dulli Farm to market Road, Ambaguio, Nueva Vizcaya

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

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 #1,371 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 - NUEVA VIZCAYA 1ST awarded it to E.M. BAYATAN CONSTRUCTION on 2012-02-06.
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 900c57f2ef…04b8a1now …
2. Block Merkle root changed
stored 48a84f52f1…5fd158now …
3. Block #1371 hash changed
stored 9de7d7046e…fdb087now …

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

leaf 900c57f2ef591ff2f50d4db6bce7e5f0e8b96c3a5c8f0d5fcf30c05e2b04b8a1
01 L 825c9cbf2d68102358e752f4fd2f1e5b07e5b2d7ba4e4931bb4fc6243a2d578c
02 R f10887d804e0c781a902b403d150af76ea558ef64fbee9d8857d354d35a0ad31
03 L bc1dca6e12756e59c7149c9fc7c1e2c61dffd459663e1a3f9077103401d57b7c
04 L 97b6b3101b71514fdebc60759d36f94e7178e31ac1b820bd069812837b8513cc
05 L e81ebf921d4d991935f9d0dcfac0ed1eb41b0ce937109cd16cece5323e69acb6
06 R 602d336ce9b6aa6ad9a44f396085998ea1efebf5da947d5db9e37136bbacf842
root 48a84f52f152a8a25cb3809db218d6dccaf402907c7539077b34524c515fd158