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 - REGION V Award a ₱14.7M contract to PRECIOUS CONSTRUCTIONNational agencies

Transaction hash:

0bca09cd68d94d1815500981db4455eda6adab93cfc1de82a8da56db562664e5

Status:

Included and unchanged

Block:

#2,238 3,775 blocks after it

Position in block:

Transaction 8 of 123

Award day:

Nov 11, 2014 (12 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

To:

PRECIOUS CONSTRUCTION

Value:

₱14,667,000.00

Project:

14F00037

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

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 #2,238 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 - REGION V awarded it to PRECIOUS CONSTRUCTION on 2014-11-11.
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 0bca09cd68…2664e5now …
2. Block Merkle root changed
stored f707ff4bb0…23d42anow …
3. Block #2238 hash changed
stored a17c008a15…d2d21bnow …

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

leaf 0bca09cd68d94d1815500981db4455eda6adab93cfc1de82a8da56db562664e5
01 R 0c74edeb50f874b07e84fd161f9cc38bf4131f967ccc84bde3331e06816f13d4
02 R 7767b2842c651bf8ac6344f315078e6e70c71bcd718dc23ce756c7be3cf5b898
03 R ef4b09a4034c5afe9b12b5d600c2f29ebab7da5a9c03a74081c6223c30dce24a
04 L 5fddd4f827f0d764c179a91f4b1013c0e01786cc19f5f5daf3c1769efb016ff6
05 R 1a0bafe2267367b14c7e695f5f06f6b79e767f7322e4db287cd008342f34927c
06 R 4be4184164fe6d14d3c6c480346cc75b9bc8dbef9dd908d6433d9254772dd040
07 R 896d5dcd6d9dc2aeb6ed2f129240579c2de0dd111ebb24241ea5186c45f02e5a
root f707ff4bb083e28310eaa583aa9fc278d299a65d64afb1fa7ee4aada9f23d42a