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

PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY Award a ₱999.2K contract to HANGING STONE CONSTRUCTIONNational agencies

Transaction hash:

a08a361e4f5b3a2ba155a596ca3d7f95c7b1ef1e1bbb4f9fe7940993f4e9575c

Status:

Included and unchanged

Block:

#2,958 3,055 blocks after it

Position in block:

Transaction 24 of 50

Award day:

Jan 11, 2017 (9 yrs 10 mo ago)

From:

PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY

To:

HANGING STONE CONSTRUCTION

Value:

₱999,248.43

Project:

Construction

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY

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 #2,958 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)
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY awarded it to HANGING STONE CONSTRUCTION on 2017-01-11.
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 a08a361e4f…e9575cnow …
2. Block Merkle root changed
stored 932f3feac3…093476now …
3. Block #2958 hash changed
stored cf4e8e8603…989effnow …

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 a08a361e4f5b3a2ba155a596ca3d7f95c7b1ef1e1bbb4f9fe7940993f4e9575c
01 R a14abb6d70548c5d563f96fc313ace9839fbc43719786634a76c7c5df20d8365
02 R 75e87c78d656d02452bc7e7eb28910c4783673a04597ffdbff137fa1b1ff3742
03 R 70f0ddc37ea8cfc48ae9133c4cfc2dd880b342bcf5f82e001b546116862b4f6f
04 L c80d38eb096048c9ad6c21b9ad78b3c8fd9b6b48dded353f2c86b3a7f8669b01
05 L ebbdd6b42edfcf5e74b97708266e3a23cfba3e3391390c3e229d81045392b846
06 R 9940a56ef2550ac94738b43e8b5b65c3493090d730dab816a6a46c05dd18b29f
root 932f3feac3e7955788a97aa7144042b9de8c14125b6358c03c4b42367a093476