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 - BATANGAS IV DEO Award a ₱8.6M contract to TERAVERA CORPORATIONNational agencies

Transaction hash:

09fd345ef1eda41893a3f252af89a3802af0c14085e9fe178dda036c643f70c1

Status:

Included and unchanged

Block:

#4,315 1,698 blocks after it

Position in block:

Transaction 4 of 122

Award day:

Dec 23, 2020 (5 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS IV DEO

To:

TERAVERA CORPORATION

Value:

₱8,642,221.00

Project:

20DD0163

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS IV 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 #4,315 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 "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - BATANGAS IV DEO awarded it to TERAVERA CORPORATION on 2020-12-23.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20DD0163: 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 2021-05-30). 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 09fd345ef1…3f70c1now …
2. Block Merkle root changed
stored 7b5089986e…731975now …
3. Block #4315 hash changed
stored dcb89b41d6…da33adnow …

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

leaf 09fd345ef1eda41893a3f252af89a3802af0c14085e9fe178dda036c643f70c1
01 R 0b6ae1a756b67347deba0d3ff8502a49ff97f14343af2c5616b5359e234f07e8
02 R 1cc22076d93e5c2f36ae92c2193ad6e7210684265ad9a964c41bb024cb560ef1
03 L b007eb01b45052b2c47331ac0af2a4d721e01d8b8d7bae53b7dc29e812927d23
04 R 6d599593641bf49354163b88150a35ca0377b1a54496c9321d3878b79442a366
05 R f9ce08574739c30790a0dbc1176517f422317c49f7880236e23f6c06358aec94
06 R 353a4f11479b13472c80806df0fcfbdb0269ba290d856c8d08c75168ee8bcf32
07 R 335299756d88c7b26df998a63e7d51b596b1b88c18e6e6751d568dc6aee1b4ed
root 7b5089986ec8a48f7086c80b5bae7d3c047a1480bbfe922a1a170dafc1731975