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-MASBATE III DISTRICT Award a ₱137.8K contract to ALXM CONSTRUCTIONNational agencies

Transaction hash:

fda2672e375d448a44ceca780134c34fea4a6ce91682799f7b356bd9caff4f3e

Status:

Included and unchanged

Block:

#2,164 3,849 blocks after it

Position in block:

Transaction 138 of 139

Award day:

Aug 26, 2014 (12 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-MASBATE III DISTRICT

To:

ALXM CONSTRUCTION

Value:

₱137,842.82

Project:

ITEM-804(c)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-MASBATE III 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 #2,164 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-MASBATE III DISTRICT awarded it to ALXM CONSTRUCTION on 2014-08-26.
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 fda2672e37…ff4f3enow …
2. Block Merkle root changed
stored 86ad9dabc0…391037now …
3. Block #2164 hash changed
stored 7f2a016ce2…c5d7b2now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 138 records. Each step hashes the current value together with the sibling shown.

leaf fda2672e375d448a44ceca780134c34fea4a6ce91682799f7b356bd9caff4f3e
01 R fda2672e375d448a44ceca780134c34fea4a6ce91682799f7b356bd9caff4f3e
02 L 0697dfed3ec514ae7bd846d57e123b0cb6a8b13afb914f77d24ab30b77ddf895
03 R 202736b9747c45b46b2e0f0b5858a89530db9840e720bbace0c500a7b4c570f9
04 L 2074a97985a25fd7664f428919cd223d8f1c3dd8fc668d688877406a66f4de14
05 R aa4e4b2d67a3bd6955332af06e2a2394a3ffcfaaecb18fd76769d8529caa0eda
06 R 129afaf463f5d7d2b0fbb2fadbe711372b714e034d37eaec02915c6fb3c67e0d
07 R aa4ff315696bc7df7b612a3c36fb685193f96508754fb9f894e218a821eefb79
08 L 6049697a4e164611c43586ff0724b3a13e0c8a240394b69b44cda66d82d366aa
root 86ad9dabc007b0b9716c13cac9f09f9f0d7a7703c9b645fd04048bbf7f391037