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

MANGALDAN WATER DISTRICT Award a ₱251.0K contract to SAFEWAY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

4175c32c22ddfa1195fbb3aa3d10e8abdf1f48ba3373c6df45fbed731c2c61c1

Status:

Included and unchanged

Block:

#2,080 3,933 blocks after it

Position in block:

Transaction 34 of 108

Award day:

May 20, 2014 (12 yrs 5 mo ago)

From:

MANGALDAN WATER DISTRICT

To:

SAFEWAY CONSTRUCTION AND SUPPLY

Value:

₱251,038.36

Project:

CONSTRUCTION PROJECT

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MANGALDAN WATER DISTRICT

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 #2,080 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)
MANGALDAN WATER DISTRICT awarded it to SAFEWAY CONSTRUCTION AND SUPPLY on 2014-05-20.
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 4175c32c22…2c61c1now …
2. Block Merkle root changed
stored dc7ef7bec9…2fab0bnow …
3. Block #2080 hash changed
stored 67eea0f55c…4084danow …

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

leaf 4175c32c22ddfa1195fbb3aa3d10e8abdf1f48ba3373c6df45fbed731c2c61c1
01 R 47ba6e83e3110564b8459202997bc23fca1e20a8c086262014bf4af88adfe421
02 L 13f50cc10e294f2e82e053043248b824c2ff4428e1242dbd98df017af75c27eb
03 R 1ebb2c44dddb7916e51e60d55d3065016752d53fe582f9b5fdde6cd26659fe17
04 R 06a4cb2e3fafd853664310319a337b3f4d3fbef9d95d4e07573403665da05f0e
05 R 038579a8b710ebd2ac34b10edc4df8e706c89e781cca9f38ea8fd7aab17cae4e
06 L d0885af12f9e54e78b059e6c533a28e6e221e0ef120a98d1e66eb4c7ad02de00
07 R 017cf63bde7a0a6c8bf67ed72f494a1348428e539316dc33fab2e0ecd55691ea
root dc7ef7bec90ea05ce0ceb6a97e05aeef5ab082edf6d23ae05ab9a483862fab0b