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

MAPANDAN NATIONAL HIGH SCHOOL Award a ₱3.4M contract to MANIMELD'S CONSTRUCTION & IRON WORKSNational agencies

Transaction hash:

5809fe06f44a3c9d2cfaebde5f753c5a1a0aa4a1d5d74785796446a8e3a66532

Status:

Included and unchanged

Block:

#1,166 4,847 blocks after it

Position in block:

Transaction 14 of 40

Award day:

Jun 14, 2011 (15 yrs 5 mo ago)

From:

MAPANDAN NATIONAL HIGH SCHOOL

To:

MANIMELD'S CONSTRUCTION & IRON WORKS

Value:

₱3,364,891.55

Project:

2 STOREY 4 CLASSROOM

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MAPANDAN NATIONAL HIGH SCHOOL

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)
MAPANDAN NATIONAL HIGH SCHOOL awarded it to MANIMELD'S CONSTRUCTION & IRON WORKS 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)
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 5809fe06f4…a66532now …
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 5809fe06f44a3c9d2cfaebde5f753c5a1a0aa4a1d5d74785796446a8e3a66532
01 R 58ecaa763a94a8ad0c01ed28bdb4c197b43d4aa2483f47bef5fcc177311d968c
02 L 136b62ac8d970002bcf8bc9a480f775bc8db40e8adc0e119da3ebebb3373a551
03 L 2212500b148b78243e0128d0a866eb35e5e3ac8efdbe48f93f11852d5aec1061
04 L 02681bf395e2dd466887d8513a2ce6eaa67ef21e3987420051e188d2aedd2cc3
05 R fe76e0a9040449e3c6d43e3848d0181297107409995821dc084bc7de4b0a7472
06 R ba5a46abcdf1f9f83a4599f4d24786c0b2f48add2b5d474e2db6d53f35b27b06
root b711a7ba6cf177fb27036220e57e4746d52df99f3d2d496b7f284633fbd8a1e2