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 EDUCATION - DIVISION OF SURIGAO CITY Award a ₱1.2M contract to WINDFALL CONSTRUCTIONNational agencies

Transaction hash:

4e160fed89fe4c50d8c4a36663715e8b001cc13cc53ad639753d5965910deb64

Status:

Included and unchanged

Block:

#1,932 4,081 blocks after it

Position in block:

Transaction 26 of 76

Award day:

Dec 3, 2013 (12 yrs 11 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF SURIGAO CITY

To:

WINDFALL CONSTRUCTION

Value:

₱1,234,500.00

Project:

CLUSTER 5 REPAIR AND REHAB OF CLASSROOMS AT OROK ES, SARVIDA-YUIPCO MES, ROXAS ES, NABAGO ES, AND RIZAL NHS

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF SURIGAO CITY

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 #1,932 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 EDUCATION - DIVISION OF SURIGAO CITY awarded it to WINDFALL CONSTRUCTION on 2013-12-03.
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 4e160fed89…0deb64now …
2. Block Merkle root changed
stored 8dd13f3aa2…0e11acnow …
3. Block #1932 hash changed
stored c2a292074c…ef8c69now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 75 records. Each step hashes the current value together with the sibling shown.

leaf 4e160fed89fe4c50d8c4a36663715e8b001cc13cc53ad639753d5965910deb64
01 R 586bf8bc2747b60d310ef9e604037c94c50942985815c91792563e1715ef1833
02 L 21059a3586f95ac70d0b05cfc48b428b4973f1e03e34c9a84d882a82b69df8e5
03 R 8b92d23ca742a1f7180a279c7ffb1b8808568a995fbc7c67c29e0453a3de5b5a
04 L 7bd88f9112512dca214e6a977cf8fd11d4cdc47816300d3d98eb5b8878c11b4f
05 L b30793e1a5ec5d3c35c145be2de750534e643b8afa6961aefc9ca2dcdd2780e6
06 R 8ba8dcee9e31ef87e3d9f0d8c0c4745941848b47340177bb096165b0117c2a1a
07 R 1469c48ae2704eff23ec45834d4266495e44c0bb6e2e93ae7ab2e1fc070ccac8
root 8dd13f3aa27f72694ec9b2a85c009c922f9f196911f3a3530f649796880e11ac