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 - NORTHERN SAMAR 1ST Award a ₱10.3M contract to FOUR JJ CONSTRUCTIONNational agencies

Transaction hash:

c349223fdfbd76cb8a51352e09aa29f0400af4b423fa506d6c9410eb0d1924de

Status:

Included and unchanged

Block:

#5,012 1,001 blocks after it

Position in block:

Transaction 216 of 277

Award day:

Dec 20, 2022 (3 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

To:

FOUR JJ CONSTRUCTION

Value:

₱10,303,160.37

Project:

16IH0133(Readvertised)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

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 #5,012 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 - NORTHERN SAMAR 1ST awarded it to FOUR JJ CONSTRUCTION on 2022-12-20.
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 c349223fdf…1924denow …
2. Block Merkle root changed
stored 48f33b916e…f6b133now …
3. Block #5012 hash changed
stored b4e5da206f…a91e6bnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 276 records. Each step hashes the current value together with the sibling shown.

leaf c349223fdfbd76cb8a51352e09aa29f0400af4b423fa506d6c9410eb0d1924de
01 R c34a61107f0112d25b4541bdcdfc1f23b02ba5487c3ba5fa0147491ad259b14a
02 R 40a9e09debd3b8c22ff39940f7b673d48ff0984973ac523fdf6b78830dca562e
03 R 66c3be0a0b53fe70ee0f46ef51f625f121d1cd128de9ccb83ea8fc6330b01cb6
04 L 3b55117674e585c88b72555de3cb34b22d82bbf35d0bf9730d6b6249611beef1
05 L 56720ea0a81998699f07a0e186050b10df76248e09073536f7df8903592d6e3f
06 R 3487c1cd026e79bbbb258c5098cdce4d0b11885f831a471b2fa3aaaed9568a07
07 L 7580e1b4357ecf7af2d595fe42d75aa825e861ae234482d5121b1b72d8495726
08 L b968af94dfe203f3c1ffe152af71d372399d88c2380a3eae8f4d4a901c279844
09 R 5a1733609f718650d27c8a105a2db380e08d31aa06c3a6dd8f50cf6264fc4a95
root 48f33b916e6a64de6b7cb665d04927d6f015ae67fa635e2c31a4bc3af8f6b133