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 2ND DEO Award a ₱1.5M contract to LAHDETH CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

a07409e92aa6730bdbc9dfc462b79ceefba842e3add6b010d9349f45cdab8e2c

Status:

Included and unchanged

Block:

#1,584 4,429 blocks after it

Position in block:

Transaction 37 of 61

Award day:

Oct 12, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

LAHDETH CONSTRUCTION AND SUPPLY

Value:

₱1,470,000.00

Project:

Repair of R.E.S. Building, Main R.E.S. Compound, Airport Site, Legazpi City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND 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 #1,584 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 2ND DEO awarded it to LAHDETH CONSTRUCTION AND SUPPLY on 2012-10-12.
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 a07409e92a…ab8e2cnow …
2. Block Merkle root changed
stored 441da0a95f…2dfc11now …
3. Block #1584 hash changed
stored 658802159a…8d8865now …

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

leaf a07409e92aa6730bdbc9dfc462b79ceefba842e3add6b010d9349f45cdab8e2c
01 L 9d422413330c733d4c16c7c2eaa76ec0a78ec796ceb465f921b248010ce92a81
02 R 7fd336e783eb18283cfc45d502ef3287f138a9930d61589dcced51174f2df4d7
03 L 26c50254b9c115c7fb426356bd73e7966dbc5c3e76a0d8b4aabbefb7352685d2
04 R 0837644d9cb63f3c1092df9493d08ac4d50dd3175150c6eaf7179c4a8b33abc1
05 R c2550d1415dd1248892868b528e8bc5d3978edc9d6352c4cb2535340d072f168
06 L 4e6b1cb6207b590273e9842a71d0e569dafee6f4d5c5577f4e62b75764df29a7
root 441da0a95f872314368611c8fecb30bcd87195f39241c39092fd12fd312dfc11