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

BUREAU OF INTERNAL REVENUE Award a ₱1.0M contract to REYGEM BUILDERSNational agencies

Transaction hash:

82c1ffcf32bc87887e9eb71a39dac236fbeb3b5d75f5a53b4b59fae183d24b18

Status:

Included and unchanged

Block:

#996 5,017 blocks after it

Position in block:

Transaction 4 of 9

Award day:

Nov 4, 2010 (16 yrs ago)

From:

BUREAU OF INTERNAL REVENUE

To:

REYGEM BUILDERS

Value:

₱1,005,458.29

Project:

PB NO. 2010-065 Rehabilitation/Repair of the Penthouse of DPC Building National Office Compound, Diliman, Quezon City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BUREAU OF INTERNAL REVENUE

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 #996 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)
BUREAU OF INTERNAL REVENUE awarded it to REYGEM BUILDERS on 2010-11-04.
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 82c1ffcf32…d24b18now …
2. Block Merkle root changed
stored fe2ad5e2b6…1a4f54now …
3. Block #996 hash changed
stored ba0a24003e…03f39bnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.

leaf 82c1ffcf32bc87887e9eb71a39dac236fbeb3b5d75f5a53b4b59fae183d24b18
01 R 84d5585d393f4c772907cd85d6ee352c26679a49cbbebee51731d89ac6f16e8a
02 R a840ad72965a17d44e0e6699e03b2e620995c818fc7260215faa0f958fe05df8
03 L 9e5a47c4ea9eac2af83d1376792d3601f694f214d7e7508364d8ab2f1e41ceeb
04 R 5b33bac082271c7c5f306e41166dd30c50597481da19b86f83e5fbb519e259f9
root fe2ad5e2b6ea9a9cf17e4b0ad0ef90762c3f26b82492567cafd012380e1a4f54