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 1ST DEO Award a ₱283.4K contract to M.S. RAMOS CONSTRUCTION INC.National agencies

Transaction hash:

7eb8dfcde269f2c5dc8a0ab823e75769a741f6c5b403c052e352ef013dda1b51

Status:

Included and unchanged

Block:

#1,160 4,853 blocks after it

Position in block:

Transaction 19 of 43

Award day:

Jun 6, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

M.S. RAMOS CONSTRUCTION INC.

Value:

₱283,357.10

Project:

Rehabilitation of school building in Tabang E/S Guiguinto, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #1,160 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 1ST DEO awarded it to M.S. RAMOS CONSTRUCTION INC. on 2011-06-06.
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 7eb8dfcde2…da1b51now …
2. Block Merkle root changed
stored 42e0ea0443…2262e8now …
3. Block #1160 hash changed
stored 1166044f09…166679now …

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

leaf 7eb8dfcde269f2c5dc8a0ab823e75769a741f6c5b403c052e352ef013dda1b51
01 L 7bb2df15d1949f21746cc1530da2b7a3604a9ab5c8be72aac77da6833edbaee9
02 L 39f15684fdc8dfcd58641abe6c22f555734b6f83d5a1f64ced188035922c2ee4
03 R cfc63b9e82c0f0cf456adce20e56db893456e8c9a51679db867a49f394892a57
04 R f66466a041d3b48bba92ff70c840a2f646f35c334b4a7029ff701254d2e08b3c
05 L 9f287b3b7cf51b18d09f800b4ab4e10f48516503cb0f7914f6bc846c602c356d
06 R 2d0c4334e05f2f1b58fc74a804825d356b33943495058a8e0f11f725155396b3
root 42e0ea0443bc43d99476d59488adb3ad967cf6834efc54d06b98083e642262e8