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

DPWH-CAVITE I DISTRICT ENGINEERING OFFICE Award a ₱29.7M contract to PERSAN CONSTRUCTION, INC.National agencies

Transaction hash:

6fa8df0cebd1885a83aa096e4b6f63cc9acd8aaff816bfbe3fa9c25e4c7cc5ac

Status:

Included and unchanged

Block:

#2,565 3,448 blocks after it

Position in block:

Transaction 38 of 96

Award day:

Nov 2, 2015 (11 yrs ago)

From:

DPWH-CAVITE I DISTRICT ENGINEERING OFFICE

To:

PERSAN CONSTRUCTION, INC.

Value:

₱29,723,368.89

Project:

15DF0147

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH-CAVITE I DISTRICT ENGINEERING OFFICE

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 #2,565 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)
DPWH-CAVITE I DISTRICT ENGINEERING OFFICE awarded it to PERSAN CONSTRUCTION, INC. on 2015-11-02.
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 6fa8df0ceb…7cc5acnow …
2. Block Merkle root changed
stored cdcce56458…c43ea5now …
3. Block #2565 hash changed
stored 85df987491…45342fnow …

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

leaf 6fa8df0cebd1885a83aa096e4b6f63cc9acd8aaff816bfbe3fa9c25e4c7cc5ac
01 R 760683e0bdf95349b3e2866a0605e2ecf1f35ba3309d1fa810d455775bfd1664
02 L cd1871129b4ec68b132b79c47ae9c7f60f255d5e0c4180a4cf0fe401d8f1ef4a
03 L c124c47c0ad5d245c38542f6d39eb60e96f945a4ddc67e2e5f3380389c281065
04 R 56dd8efcc6d82f5e10db9e21d14ca03c1d4cecfde7c4e2dc9bde091233ac9a77
05 R 79edad28cb5976440e9dc86f8f8f595badc3124d2b21db929634aff5f248f4f6
06 L 4dfe6f9b1ac795bb9bbb3ab42ea4cce54989c4bde01faf182f36f657baff089b
07 R 2e6f1149a9bd7c92010730ccf06767d1215837d641b4924473fb9d63bca76857
root cdcce564584a97a09fa18ff3dc841b5bf4b5cc9f1c93ea38e2a9f0d97dc43ea5