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

CITY OF TANAUAN, BATANGAS Award a ₱5.0M contract to C. CASTILLO CONSTRUCTIONCities

Transaction hash:

1a359d79f1428e79d0c3bc80d8570dccead05fbae3cebf68ff076abe3376550e

Status:

Included and unchanged

Block:

#2,755 3,258 blocks after it

Position in block:

Transaction 10 of 96

Award day:

Jun 3, 2016 (10 yrs 5 mo ago)

From:

CITY OF TANAUAN, BATANGAS

To:

C. CASTILLO CONSTRUCTION

Value:

₱4,995,627.00

Project:

Infra Projects 2016(2nd Qtr.)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF TANAUAN, BATANGAS

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 #2,755 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)
CITY OF TANAUAN, BATANGAS awarded it to C. CASTILLO CONSTRUCTION on 2016-06-03.
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)
COA's CY2024 audit of City of Tanauan gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 1a359d79f1…76550enow …
2. Block Merkle root changed
stored da4537d7d7…dbf580now …
3. Block #2755 hash changed
stored 3420d663fa…5fcc73now …

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

leaf 1a359d79f1428e79d0c3bc80d8570dccead05fbae3cebf68ff076abe3376550e
01 R 1c1d8b77232e82161da95f7ae47e63daf7dc18eaecafc1a0e4361229d3134484
02 L 88476588ac2e172502b7386f17a9898c825e01a857b278bc5fcbefc8410687ba
03 R 07677bb34884611257a800784a1f7f29ad5b6ffda183a8778574533c6fbe641e
04 L 0183f6cac729482d8a946d93202807a10050728e396b6080e4804abfdf4f347a
05 R 0e4602f72e217a05cb282ddad1978ec4c48ce194ffa290497aea2be3a11966de
06 R 614e19a2f477310aa6d47626223bbe26a13fb1347e7bc07305a0e009c9f7c123
07 R af14ae63d2971e11a8b74d4ff80264146d61409f5cf11b853fdf3da5294deee2
root da4537d7d7ad0612bbb73d1c885351accb0bd47fc034f8585bdd4059c4dbf580