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

ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE Award a ₱4.3M contract to MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

28489c3da66b6cdbbb398bfba1de576bded2ba8a84b082048f85cc1229ed42f8

Status:

Included and unchanged

Block:

#2,359 3,654 blocks after it

Position in block:

Transaction 23 of 122

Award day:

Mar 24, 2015 (11 yrs 7 mo ago)

From:

ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE

To:

MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATION

Value:

₱4,304,520.78

Project:

Concreting of Farm to Market Road at Sitio Doz to

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE

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 #2,359 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)
ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE awarded it to MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATION on 2015-03-24.
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 28489c3da6…ed42f8now …
2. Block Merkle root changed
stored a19a1fa5e5…ecba7bnow …
3. Block #2359 hash changed
stored 9968480a54…c13055now …

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 28489c3da66b6cdbbb398bfba1de576bded2ba8a84b082048f85cc1229ed42f8
01 L 27285e763609ed93b7ff6881b6cd5fa8ab9f533268f283b9074d830f94d56503
02 L 96ea3a18e61882fc30796759b8353b7f48913de6fc95929d0ad1de7a884ba0e7
03 L 8a32ceb9974453dafb881814aec55798a65ea54f49347fee462aab591b08422a
04 R ca9c845fecf44aca3609441ef9f011a2ce81ecf54b550b6b357380e4adff32f7
05 L af61292869a8ea8a8e4785ba7561b2fa92b2c1e07d0d1061fca12abde70f2868
06 R c7cee9680248f9cbaa15cfa6d03e37a86fe553d48b8bd82fe431d3e0314d4619
07 R 70d21a04b2367066da01295d142ecd8136d28bcc2395979ce958017bf73b3258
root a19a1fa5e5058bcb0b7496e981c6600f8b85f220bd3bfa9dc40b8b54cfecba7b