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 - QUEZON CITY 1ST ED Award a ₱13.6M contract to FERDSTAR BUILDERS CONTRACTORSNational agencies

Transaction hash:

3bfa8a1aa67356cdf53a159f0f210fb92205ff2c61c2be33ab29346f11acbc10

Status:

Included and unchanged

Block:

#1,570 4,443 blocks after it

Position in block:

Transaction 11 of 58

Award day:

Sep 26, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

FERDSTAR BUILDERS CONTRACTORS

Value:

₱13,649,674.05

Project:

Repair/Rehabilitation of A. Bonifacio Ave., Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

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 #1,570 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 - QUEZON CITY 1ST ED awarded it to FERDSTAR BUILDERS CONTRACTORS on 2012-09-26.
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 3bfa8a1aa6…acbc10now …
2. Block Merkle root changed
stored 2e3feb83ee…cd4f50now …
3. Block #1570 hash changed
stored e3efe5dffa…e78e01now …

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

leaf 3bfa8a1aa67356cdf53a159f0f210fb92205ff2c61c2be33ab29346f11acbc10
01 L 3bf96428a1b6cdd151743e490b5a35099ef49ed5de3c914ad0c63ab4bf81e6c5
02 L 92f551ca5df79f5753cd04ae59a134f8aed34a09a689777444ff0ad7921f2ab8
03 R a73866ce86e6ba31f4fda3d7c6435a98ba864f5f861141553491c9b13b35a5c2
04 L 991e67ff332ab3cf5acf3427fbf366ee418454e21fd6de4315d7c876b3b0efc1
05 R 61c54f41ee5944a758eae1bda9761b99956eab11deee2f3362adf0a830243c0d
06 R a667f02ab79b2ab65dc2123a92eb1285116e076a065a69f28948cb027d761f5f
root 2e3feb83ee4e26f0a9d670ceb1ffed3c4541e55b5b54b6be659648b450cd4f50