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 - QUEZON 1ST ED Award a ₱489.0K contract to ALT CONSTRUCTIONNational agencies

Transaction hash:

d40c10b3a08e8bdaaa3aeb7e0c903e9e41ea62a975e6ccfc5c9e5eeb908471dc

Status:

Included and unchanged

Block:

#1,703 4,310 blocks after it

Position in block:

Transaction 178 of 215

Award day:

Mar 14, 2013 (13 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

To:

ALT CONSTRUCTION

Value:

₱489,048.85

Project:

13DK0016(D)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

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 #1,703 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 - QUEZON 1ST ED awarded it to ALT CONSTRUCTION on 2013-03-14.
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 d40c10b3a0…8471dcnow …
2. Block Merkle root changed
stored 3e6398c6bf…f3476anow …
3. Block #1703 hash changed
stored fc71a44fdf…97f7a6now …

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

leaf d40c10b3a08e8bdaaa3aeb7e0c903e9e41ea62a975e6ccfc5c9e5eeb908471dc
01 R d42851bf9ef1aff8436b4092e152cab041cd95e8a38972f55c1888140f176eb0
02 L 78c4430f4303a4e846158355519dfd66dae304887a70f77615485975fa878dc9
03 R 0f42fae6d8e4c3bcf3b8a61a55ed6de831c26c08b9a84b79be8c17caa586e68c
04 R cd524c49c2841b373f71caea1a92625f6cb577665e42b060fe9019aa3afb3590
05 L be35ece563af4401c8fef1ec571826bae90b2c1d37280792e84a039b9bb245ac
06 L 33a88491aed4c319ea10bca014ff7e5fd2f28bc3b6348d0ab1a8547c4048348f
07 R 3a16578e0dff9b92b11321efe8575ea5e203ca1448c9f90412cc4bbb03665e63
08 L a13f1fdf9a6fe5860de55f358b6b1b9342703a38c15a60b8ac569d4029dfc4b5
root 3e6398c6bfbf223d1f80a2b5e01c93246f06de32ff705946031bef1ddcf3476a