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 CALOOCAN Award a ₱3.1M contract to QUEEN SOLLESA CONSTRUCTION AND SUPPLY CORPORATIONCities

Transaction hash:

bea03790e5d0e747296c756c8330cf7d11e4027b39eed3f5207a54f5235c0a0d

Status:

Included and unchanged

Block:

#1,513 4,500 blocks after it

Position in block:

Transaction 47 of 64

Award day:

Jul 20, 2012 (14 yrs 3 mo ago)

From:

CITY OF CALOOCAN

To:

QUEEN SOLLESA CONSTRUCTION AND SUPPLY CORPORATION

Value:

₱3,097,287.00

Project:

Concreting and Drainage Improvement at Jasmin St (Alley/Pathwalk), Vanguard, Barangay 178, Caloocan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF CALOOCAN

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 #1,513 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 CALOOCAN awarded it to QUEEN SOLLESA CONSTRUCTION AND SUPPLY CORPORATION on 2012-07-20.
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 Caloocan gave a "unmodified" 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 bea03790e5…5c0a0dnow …
2. Block Merkle root changed
stored 7b0682ff32…dbf37enow …
3. Block #1513 hash changed
stored 727350c683…556f3bnow …

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

leaf bea03790e5d0e747296c756c8330cf7d11e4027b39eed3f5207a54f5235c0a0d
01 L ba8c031f63296743a6ce303dbc14f81e1b1f0964b5260b7aa236b886514f9bf6
02 L cd9abf3a1b20f1094994df38d3790237d26debf77f96e362b848506ee1cba06e
03 L 0daabe5af163b39a8577ea20564a2adf734b8a113e0efa48f419d5025c631718
04 L 3d44476ad4c22a689c00273f91effd1876212e6471fbda0728bd8c1e09ebbf42
05 R 72a2c686edceaa0aaa15f5d316c2c8889e8a33895e8fea23b8f06ff96df14a50
06 L 1b9c3f1ffd6efdd5ad27f32a332a9111e6e80be3b854f52f6a2219b22eafeb8f
root 7b0682ff328de8bc1e9f33fcdfa098e346ce2c2c453e3254d5df7f4e01dbf37e