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 - CEBU 1ST DEO Award a ₱470.1K contract to DUROS DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

8a94147bfded8a137df4d646064f8e4f57c473f23e4af0ab8953c26a511fe894

Status:

Included and unchanged

Block:

#1,486 4,527 blocks after it

Position in block:

Transaction 36 of 70

Award day:

Jun 21, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO

To:

DUROS DEVELOPMENT CORPORATION

Value:

₱470,050.00

Project:

12HD0017 - Repair and Maintenance (Spot Resurfacing) at Sogod-Tabuelan Road, K0110+414 to K0110+466 and K0110+490 to K0110+567, Bongon Section, Tabuelan, Cebu and Bogo-Polambato Wharf Road, K0102+518

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST 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 #1,486 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 - CEBU 1ST DEO awarded it to DUROS DEVELOPMENT CORPORATION on 2012-06-21.
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 8a94147bfd…1fe894now …
2. Block Merkle root changed
stored 8b0c7902b1…9a3768now …
3. Block #1486 hash changed
stored 7a05dacc1f…85f342now …

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

leaf 8a94147bfded8a137df4d646064f8e4f57c473f23e4af0ab8953c26a511fe894
01 R 8b1df547a63b647dabe912aa7359a6f25a43ce8fda3ec9931396a39f7bdf5c00
02 R d84d67dc917d7e0508cd9c8d0aa961f04780eba147e076df7715b54e75d20df4
03 L 99c0655d04b8cc55d2ac84bf07466f639357ce1319ab9761e26206c34a0c675b
04 R c2dfee2ff277b94408700595daac3079ca8b290664abbca53f73567b2d1e7023
05 R 83f46a4f66760d40c5bcdbd0a49c9ae2c8252dd9c701c2885f2a273094c60e1c
06 L 0d4dc4279e9226d28c0c59ff4bf1e386bdcfb5bd9cc9c5090e8c75a141eebaf0
07 R ce0373d5c23c34df8b740a8a3571fbc09636f5200039676b768bbdd1eaf83897
root 8b0c7902b1e411769aaff56594ba853ffd0d5daaf067193c4db8b3a5699a3768