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

NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES Award a ₱7.1M contract to J.S. LIM CONSTRUCTION & TRADINGNational agencies

Transaction hash:

43e239bb68919ffdc807ee6c1e1636279fdb3a5d92bb2fb53ce7e73a335579ef

Status:

Included and unchanged

Block:

#3,339 2,674 blocks after it

Position in block:

Transaction 87 of 302

Award day:

Feb 20, 2018 (8 yrs 8 mo ago)

From:

NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES

To:

J.S. LIM CONSTRUCTION & TRADING

Value:

₱7,143,002.97

Project:

Restoration of the Old Bulan Presidencia Building(

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES

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 #3,339 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)
NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES awarded it to J.S. LIM CONSTRUCTION & TRADING on 2018-02-20.
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)
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 43e239bb68…5579efnow …
2. Block Merkle root changed
stored 216e8c3433…5d5f7bnow …
3. Block #3339 hash changed
stored 070c3e4712…f6b8e8now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 301 records. Each step hashes the current value together with the sibling shown.

leaf 43e239bb68919ffdc807ee6c1e1636279fdb3a5d92bb2fb53ce7e73a335579ef
01 L 438c380fc858abaf82be59bc121bf61533ac0523982bd4097fa5392212627cfb
02 L b6ef5d08dbe943b0e031c7e15ca5c602b37a5315246dd0a03b46817d107d4383
03 L 5d41e4a047bfc075e1f7cea04453fe3ca9870672d2a00aa9c14f0be08f4f4c47
04 R 99e2e61fa300de71c0a01eda877d4be43a51c64cf9be27f4c0c7b0fa9b799940
05 L f20c558b7e16ce2196fdc1b7532f9fa865029fb400b043a4284231b950aab5e3
06 R f9996a0e71476f4425695a394a03e87513a99b4991535bd5c6339b19f45395ca
07 L 00cd23ec03a96a6b61a4d8d79482c2d3e6fd10a6796a52fde35a64c630c24c1d
08 R 73d33bd4f493901c1fbb66770f89dbc5179c1bb840a0bd4766e390cc3217740e
09 R b19fc29c1d7f56a510373adb2896035a80141bf3e91961acf0d5721ad98867d0
root 216e8c34331259e58952b65a1c7fe16b45a7ebd1012f9d2adaf9b88d835d5f7b