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 - METRO MANILA 2ND E Award a ₱16.5M contract to AARCON BUILDERSNational agencies

Transaction hash:

8bb6e7fa715a2a42ac9e0bfcb59ef1783defa18b20553c096e1cc1f23c51fc0a

Status:

Included and unchanged

Block:

#3,195 2,818 blocks after it

Position in block:

Transaction 102 of 188

Award day:

Sep 20, 2017 (9 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E

To:

AARCON BUILDERS

Value:

₱16,467,267.54

Project:

Repair/Rehabilitation/Improvement

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E

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 #3,195 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)
DPWH lists the funding source as "Outside Infra - Special Road Support Fund 2017". The exact UACS line is not given.
Partly
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 - METRO MANILA 2ND E awarded it to AARCON BUILDERS on 2017-09-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17OC0097: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2019-01-14). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 8bb6e7fa71…51fc0anow …
2. Block Merkle root changed
stored 994616063d…8ab2e3now …
3. Block #3195 hash changed
stored 8d68b1166d…bc3a53now …

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

leaf 8bb6e7fa715a2a42ac9e0bfcb59ef1783defa18b20553c096e1cc1f23c51fc0a
01 R 8d5af338846b3a8d672a15ac5e8faad71b754a291c91242331d67e4a11c6a3bc
02 L e67bac244ce7c63162b5643007ac8bda8c2635f5dcad4fbcc0e448ec081a9243
03 L a5756cd87f154fbabb2182c4e1b2052a4b3a5679e13c0b6ff00ecb6e16419ba3
04 R a32638da833924bc586b9ccc561e34ed9aed5a3167133ce24ad8e64867335622
05 R ae49df3e14b27c354b3509577eedebd482dd0a34ab996e1ebef3eadf9f25c5f1
06 L 351b3fcf4ae35a690700b8b3a5af9326b9486d4d418667a35aa47fab5612187b
07 L 6a82bbc82fb610423c50f49fa469a591063c95cb90540a9c9bc9a3c2299c5627
08 R ff387ce71878b74883dbaa3b436f39411abdf4902c4d4eb0cb4baa83c375fc99
root 994616063dbc5ec39c2744fc5d532d9cdc1a411ee3d5591ac3acb100478ab2e3