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

PROVINCE OF SORSOGON Award a ₱1.5M contract to BLACKRAM BUILDERS, INC.Provinces

Transaction hash:

421d343ced86a2fce54e916e2ba8ed2dda9bce77fd575c9d1108bde4195b05b5

Status:

Included and unchanged

Block:

#1,166 4,847 blocks after it

Position in block:

Transaction 11 of 40

Award day:

Jun 14, 2011 (15 yrs 5 mo ago)

From:

PROVINCE OF SORSOGON

To:

BLACKRAM BUILDERS, INC.

Value:

₱1,488,000.00

Project:

37. Construction of Road Network at Youth Camp and Jamboree Site

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF SORSOGON

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 #1,166 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)
PROVINCE OF SORSOGON awarded it to BLACKRAM BUILDERS, INC. on 2011-06-14.
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)
COA's CY2024 audit of Sorsogon 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 421d343ced…5b05b5now …
2. Block Merkle root changed
stored b711a7ba6c…d8a1e2now …
3. Block #1166 hash changed
stored 32de787aee…afa4fcnow …

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

leaf 421d343ced86a2fce54e916e2ba8ed2dda9bce77fd575c9d1108bde4195b05b5
01 L 3a253bca616c4ef09d0148df10cd97bfaf26dd836ab288804b97e6322af5c211
02 L a2a84e55e2033770c0a6d15381901b11e50a47b2cf9ce0b545c78ff99ed3fd8f
03 R 87712cd2b1ae411e4935c4a0f388f687d928391c2095d3f08e8f2cebd983e2a6
04 L 02681bf395e2dd466887d8513a2ce6eaa67ef21e3987420051e188d2aedd2cc3
05 R fe76e0a9040449e3c6d43e3848d0181297107409995821dc084bc7de4b0a7472
06 R ba5a46abcdf1f9f83a4599f4d24786c0b2f48add2b5d474e2db6d53f35b27b06
root b711a7ba6cf177fb27036220e57e4746d52df99f3d2d496b7f284633fbd8a1e2