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 - IFUGAO Award a ₱814.8K contract to DULCA CONSTRUCTION SERVICESNational agencies

Transaction hash:

fde3a2784f792e1734daae3d0040a5b2117e708800ca2e5e4809278a82d94d2a

Status:

Included and unchanged

Block:

#5,102 911 blocks after it

Position in block:

Transaction 497 of 501

Award day:

Mar 24, 2023 (3 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO

To:

DULCA CONSTRUCTION SERVICES

Value:

₱814,819.30

Project:

23PG0019

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO

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 #5,102 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 2023 OO-1", i.e. the FY2023 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 - IFUGAO awarded it to DULCA CONSTRUCTION SERVICES on 2023-03-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23PG0019: 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 2023-08-03). 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 fde3a2784f…d94d2anow …
2. Block Merkle root changed
stored f0c0ccf3e8…9ff69cnow …
3. Block #5102 hash changed
stored 2cfcebce7d…ea884anow …

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

leaf fde3a2784f792e1734daae3d0040a5b2117e708800ca2e5e4809278a82d94d2a
01 L fd70ffae143b1981799cc875a9299147a4f8fe6bd0d841f7cb102d5fb379114c
02 R e9e6868e43a6950380dec8aa7a88803e344b3d7b356394a045b47072df251145
03 R a98b594dc505345452992129b5a05af60e8dde2402d65561b04723db557a2a8c
04 R a8dbdfb2f8e58895d5d2b8870240036f69663a2b53f8e3c57cd78c7bff19bc16
05 L f7c225031ef14809e6939f0c1c4c2e25befd6606614420089fbbe0500ae5bbbb
06 L 15f0866a7c728aa83721edf87f2051efadb12c916962075a2ac551a577d072ac
07 L c121027ea2d27721db8834fdd1678caf301b97af32ab0fbfcb82e6ae0750c2cb
08 L 8242aaf9e66147d660d5e4f111124440b67863e9b2acdd788f704f4c98a70a1d
09 L fb532b636d237b63716abd5b267f29b8fd8aaee0f1049f0c4c2f169ee32a2b34
root f0c0ccf3e8c5de5f287ac26fc7caf1a7a3204cd8dfa203d1d3087254f49ff69c