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 BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱2.3M contract to F. CASALME CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

679bf7f9cf8eae8ed22edca0445d1e04b8079df0ec8671a4e82f0f69a234186d

Status:

Included and unchanged

Block:

#3,596 2,417 blocks after it

Position in block:

Transaction 107 of 236

Award day:

Nov 20, 2018 (7 yrs 11 mo ago)

From:

DPWH BATANGAS I DISTRICT ENGINEERING OFFICE

To:

F. CASALME CONSTRUCTION & SUPPLY

Value:

₱2,279,233.00

Project:

Construction Projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH BATANGAS 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 #3,596 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 - SRA 2018 Farm-to-Mill Roads". 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)
DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to F. CASALME CONSTRUCTION & SUPPLY on 2018-11-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18DB0231: 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 2019-02-06). 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 679bf7f9cf…34186dnow …
2. Block Merkle root changed
stored 85028c3e8f…63e4b8now …
3. Block #3596 hash changed
stored 7abe1a78db…fecf28now …

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

leaf 679bf7f9cf8eae8ed22edca0445d1e04b8079df0ec8671a4e82f0f69a234186d
01 L 66add8a8a3d0676afb16eba6886b22154fad21fd12eccfb90abb5ce28138edf4
02 L 7c12dc4e5769e8c1319efb92002abf586525a1315344984527a631043b304cfd
03 R 05029a6e89ef7d92db7fd3215a29e682055bb8a3a1ef18f12595720672e6ef51
04 L 396e9b5964c86e041e1ec3bd4b05c8ca7c1ab40bc1a0916317a3654c2a056c03
05 R 9ef0ff821ff017793b1bbed1003595611948b2d47bab52c28e238e52e6be25d9
06 L 1600d99ef56356688b80e34ab5b61092cd9c4e911ba4f362765df5edcb530844
07 L c1210414b235d9d5e802b5eb8e3a84099912d9907e74a05ab5bbadf65e4121a9
08 R 86a5dfcd06581334c879d0c01adf3e5f814620177da7cd9c9cbea9c383a79ebe
root 85028c3e8f6c1cc7c07865b33ff18ef4d32389236d72fa105d516b3ccd63e4b8