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 - ALBAY 3RD DEO Award a ₱17.3M contract to MAKAPA CORPORATIONNational agencies

Transaction hash:

ac4d30232cafcaec02a87b508ba50e64273123762125671287e8c4297f90e24f

Status:

Included and unchanged

Block:

#1,352 4,661 blocks after it

Position in block:

Transaction 61 of 83

Award day:

Jan 16, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

To:

MAKAPA CORPORATION

Value:

₱17,319,305.37

Project:

Rehabilitation/Reconstruction/Strengthening of Maonon Bridge along Albay West Coast Road, Brgy. Maonon, Ligao City K0546+658 to K0546+694

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

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 #1,352 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 - ALBAY 3RD DEO awarded it to MAKAPA CORPORATION on 2012-01-16.
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 ac4d30232c…90e24fnow …
2. Block Merkle root changed
stored 45a6f49229…a864fdnow …
3. Block #1352 hash changed
stored a2f8060250…05c601now …

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

leaf ac4d30232cafcaec02a87b508ba50e64273123762125671287e8c4297f90e24f
01 L abbded7f789d07402bed8e397a6eabea1fc97d15f35763f88d89f881f502d3e8
02 R ad3e7d2899b20e3ace25574a1d4a3afda1c9988fd58c0a85bdbe7434f54e71c6
03 L c2da9be283140a7ad6ab7ef78d339fa69f17b8ea0fe4a5caa38ab2dfd7e63bf1
04 L 7a3c615a6ccc830e2b4f3420ddd8d81cfb6998d54090ef1a0a1d07f36874bbd2
05 L be5182f05c175d8110a0a8a1f5b3471e0eadb16b63326486ab633de404e18b42
06 L e1b54acce2b2e7e4554962750d37d0f598e10e12ac93531d1f462e4eec2a4fe0
07 R 853e940814dff9b913cc12ae93e7c92df34c9afd88cebba8e528471a3a5152f0
root 45a6f492298edafa0b1f9c9e093433c1e131588d73af6033eecb0d98a3a864fd