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 - CEBU 1ST DEO Award a ₱1.8M contract to ROVILLA CONSTRUCTIONNational agencies

Transaction hash:

a2f3a67b3376ba49aeac2dd948f00ae385fda4d0c415045cbea893b0c34a4927

Status:

Included and unchanged

Block:

#1,426 4,587 blocks after it

Position in block:

Transaction 67 of 98

Award day:

Apr 11, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO

To:

ROVILLA CONSTRUCTION

Value:

₱1,813,794.80

Project:

12HD0010 - Cluster V Construction of Multi-Purpose Buildings 1)Completion Barangay Talisay, Santa Fe; 2)Barangay Hilantagaan, Santa Fe; 3) Barangay San Agustin, Madridejos; 4)Barangay Malbago, M

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 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 #1,426 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 - CEBU 1ST DEO awarded it to ROVILLA CONSTRUCTION on 2012-04-11.
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 a2f3a67b33…4a4927now …
2. Block Merkle root changed
stored d9779c906c…3c2da3now …
3. Block #1426 hash changed
stored 551197b187…8d763fnow …

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

leaf a2f3a67b3376ba49aeac2dd948f00ae385fda4d0c415045cbea893b0c34a4927
01 L a2530c4e5bab57cf979e99c5b8305cf4698beb30f39a3ddff972cae7bf1552c0
02 L 67e7010f7a701d9644e839cce1346589adaa3d522257037992efa6eb9640d588
03 R 4c90666f61717408f8c822f43d6c88b79c174894ee15caf25072201f26fe884a
04 R 8fd9cf20737f8417b6390113a7d34a9bce1903c7a81c3d7e0bccf5033c6a4166
05 R 2cb1b7bce6aff4dac662aff9bc950d0b4acd5e5af9de9e8d6eea07a005698e17
06 R b0c1dfacad08162415ddbb2e6bd4465f9be2fb5b55c9cdc88a43c7da02390eec
07 L aadb16bddce7574f16656267361f2125e9fab441b42eebdc0e496e14e1623f81
root d9779c906c8abc5fecbd4bc5b09236bff844d7a7d4982d8dcceec3e6143c2da3