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 ENVIRONMENT AND NATURAL RESOURCES - CARAGA Award a ₱1.9M contract to YPC CONSTRUCTIONNational agencies

Transaction hash:

d7b1fe458e1332f145bcdc76f69c894683a3dccd0e50414a1f50776f882f6112

Status:

Included and unchanged

Block:

#4,087 1,926 blocks after it

Position in block:

Transaction 31 of 39

Award day:

Apr 23, 2020 (6 yrs 6 mo ago)

From:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - CARAGA

To:

YPC CONSTRUCTION

Value:

₱1,873,927.97

Project:

Building Renovation & Improvement

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - CARAGA

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 #4,087 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 ENVIRONMENT AND NATURAL RESOURCES - CARAGA awarded it to YPC CONSTRUCTION on 2020-04-23.
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 d7b1fe458e…2f6112now …
2. Block Merkle root changed
stored 011c1fe977…5c11ebnow …
3. Block #4087 hash changed
stored 4a0814ea5a…dd883anow …

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 38 records. Each step hashes the current value together with the sibling shown.

leaf d7b1fe458e1332f145bcdc76f69c894683a3dccd0e50414a1f50776f882f6112
01 L c8057fb08e559b90a75deb6ed7b8977edb96c2c8871de23b374345f0811d2a7e
02 L ed7f8a56bd0205b5114fd3db4cc376ec17da7a9666d8943327f009e2e7d0fc59
03 L af4294593808c8e6b17526083ce6994cdb3e7dd5e74c16394fe7e598823141fe
04 L ad579a1159f50fc264b2a927fb012769653938de413df2952c344ba34da560db
05 L d002628c1975d8f3acf59277f790a725b49c2aca34f18cd8273ad93c3ad74ec8
06 R 96997789b77de3bc9d83b5e3c04a8fd40f05237bf5b07bcaebaba04b469f5d67
root 011c1fe97702f4594540c3c0e594d9dd619c7718bdb39e13dc965062a45c11eb