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 PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED Award a ₱513.5K contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:

971e970f7c8a5eec1a26dbe08a5db297206b1955b2f934a5c1a895a35f026471

Status:

Included and unchanged

Block:

#2,706 3,307 blocks after it

Position in block:

Transaction 22 of 40

Award day:

Apr 4, 2016 (10 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED

To:

E. E. MADAYAG CONSTRUCTION

Value:

₱513,522.45

Project:

16AE0080 Civil Works

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED

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 #2,706 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 PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED awarded it to E. E. MADAYAG CONSTRUCTION on 2016-04-04.
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 971e970f7c…026471now …
2. Block Merkle root changed
stored cafdfff465…d184adnow …
3. Block #2706 hash changed
stored 8137f4d00d…5d7112now …

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 971e970f7c8a5eec1a26dbe08a5db297206b1955b2f934a5c1a895a35f026471
01 R a0e55006e2cfeec51d1566beea4149c41ab2c6993cacfb62361e35201d2998f9
02 L 93e817f711076915f73d7a5e10144935ff11ab00e7a200dc743f14e3ce0c4aa1
03 L 399de5b064beed839b8a4a6e5a85883cadd60dfd4364ab14628af06253c66579
04 R 7687dcbbed1eb99c5a37519e6fda962d7b99a9a05ec5f564739edb882b1dc4f0
05 L fc26d3345d71069ec5bbb5af0b437d5d017ffe35ebd242a78317c048e2a12ddb
06 R 3c4dd095ed60163a1d23cd8e1bccfb97727d27b2229f8adc6d316cffae23646c
root cafdfff465e439c7d33cb7e81ee6703a9f79e4b2ab19527e6e5b50b40cd184ad