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 - ISABELA 3RD DEO Award a ₱2.6M contract to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERSNational agencies

Transaction hash:

b1e705ca8ecf01eed2ef04179a18e9214f1d0093f25980b0fca6871c3a344ead

Status:

Included and unchanged

Block:

#1,327 4,686 blocks after it

Position in block:

Transaction 42 of 63

Award day:

Dec 20, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS

Value:

₱2,579,660.69

Project:

Preventive Maint. along Daang Maharlika Asphalt Overlay, K0366+526 - K0366+758

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD 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 #1,327 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 - ISABELA 3RD DEO awarded it to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS on 2011-12-20.
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 b1e705ca8e…344eadnow …
2. Block Merkle root changed
stored 00dad0ca39…8925d1now …
3. Block #1327 hash changed
stored 7b57da94e7…4e98b1now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.

leaf b1e705ca8ecf01eed2ef04179a18e9214f1d0093f25980b0fca6871c3a344ead
01 R b3a68e151e640587b497587d7c942ab8a6e0a636f98c83343014ced37669642d
02 L 59a8eb4e69708ea7c2b719bb228af6c9cca3d71ac46cdc8afb831fd6fec97933
03 R 73e8ee2fabb98dda013e201ddf4f2376311608cca97414d781665081a67aafc5
04 L 1ffd6395ae101b09a2ae20eacac0a78b6c908a6e8e95c66710ec3fdc6680ef91
05 R d7b6abb59bf7758bee9d2f9dd40d4152e17522140205531c584831848853ddee
06 L 0a3bf1a5d60758c39619f02d22b8acda9b14a8e558ac28402eb6588651ebfd4e
root 00dad0ca39287565f25337fdcb09e18ab86e8c2eefec96d877e728489a8925d1