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

BARANGAY TUGBUNGAN, ZAMBOANGA CITY, ZAMBOANGA DEL SUR Award a ₱100.0K contract to ABSOLUTE ENGINEERING AND SUPPLIESBarangays

Transaction hash:

b9f6bf1acfda2e8959d25e298dbb514fab280602a356b2b3f77c84f3a8376993

Status:

Included and unchanged

Block:

#1,638 4,375 blocks after it

Position in block:

Transaction 37 of 50

Award day:

Dec 14, 2012 (13 yrs 11 mo ago)

From:

BARANGAY TUGBUNGAN, ZAMBOANGA CITY, ZAMBOANGA DEL SUR

To:

ABSOLUTE ENGINEERING AND SUPPLIES

Value:

₱100,000.00

Project:

Repair of Barangay Road from Purok 1 to Purok 9, Tugbungan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY TUGBUNGAN, ZAMBOANGA CITY, ZAMBOANGA DEL SUR

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 #1,638 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)
BARANGAY TUGBUNGAN, ZAMBOANGA CITY, ZAMBOANGA DEL SUR awarded it to ABSOLUTE ENGINEERING AND SUPPLIES on 2012-12-14.
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 b9f6bf1acf…376993now …
2. Block Merkle root changed
stored 97e4b1c282…7cabebnow …
3. Block #1638 hash changed
stored 8c8edd0f25…34514enow …

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

leaf b9f6bf1acfda2e8959d25e298dbb514fab280602a356b2b3f77c84f3a8376993
01 L b3a798db630abf77147eabc66b7757955c478577c732b82336c3ad75e7a0999a
02 R 7253c12df39ad9d0185a3fab5caece093f58a04a86935c4b53d273d46b2916cd
03 L 03781e7aac9a457f081a7204dbd231e84c5b275018c0cf8fae6dd83adeca5181
04 R 036f09b80fecff4e4ba526f9ebf7ac8d30ccf0d17731b8687fd5cd793335cd50
05 R 391ba05ebd1b77cf1d5a23c1b332cee00d1e65529e922e23f49a3f9d6ea8c7b0
06 L c39c44bc81f32bfd73961c4d5ab0da35f462c105cb6d1c584e2d36927d3bf0fa
root 97e4b1c282160e585a8ba49e1950be52b437260386a7dc3148bddd7e267cabeb