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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO Award a ₱681.8K contract to NIRVANA CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

e4cb5d56b3e477e2adf82b3d90d2c54e88f5c4673462e2e2fb379e48fbaf9877

Status:

Included and unchanged

Block:

#2,267 3,746 blocks after it

Position in block:

Transaction 111 of 129

Award day:

Dec 10, 2014 (11 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO

To:

NIRVANA CONSTRUCTION AND SUPPLIES

Value:

₱681,826.71

Project:

14ME0129(Re-bid)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO

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 #2,267 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO awarded it to NIRVANA CONSTRUCTION AND SUPPLIES on 2014-12-10.
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 e4cb5d56b3…af9877now …
2. Block Merkle root changed
stored 8895f950a1…eb9b8fnow …
3. Block #2267 hash changed
stored 8b1fc84bff…e344a0now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 128 records. Each step hashes the current value together with the sibling shown.

leaf e4cb5d56b3e477e2adf82b3d90d2c54e88f5c4673462e2e2fb379e48fbaf9877
01 L e484d97485f6a9a149477c9ef37ab7bd27e980d02b21a39f5953480be366ac1f
02 L 8baceb4558d5d937da4578d893f622a9fa0a9760647b19b2111cf071ea95c81d
03 L d6517b8f6dbf05d0931b56dbf686779b8e6f0ce5f9d4097a85ac8bef5c08a3e2
04 L 593930a537275df7e89041d4fef0183f0206a313c484628061968e341aca2688
05 R 7d7b9839b4ee442c4ce4424ae3fc5f26fdc9cc4c73c50c552c653b387750146e
06 L df09dee08457291e3207c65dcf466e128149d8a946834cbaf4f688bda1e6c1cc
07 L 8a9047d7252c50cdcaeb5a8a7adb2b0ef2b31a2837a05ad014691caa5199d42f
08 R 16bae8e7d0448fdaf0d715f96bc0a645a8afd450aa585bf2b1b685f970f49ad8
root 8895f950a16635030c419cce2ecb327d2f93138956ae672ab4d9d8335beb9b8f