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 EDUCATION, DIVISION OF KORONADAL CITY Award a ₱708.6K contract to REYDAN BUILDERSNational agencies

Transaction hash:

44f661fb5eae6bdcfca7474d09106f24cafbb7e195c9136440e4f1092e2d65e3

Status:

Included and unchanged

Block:

#1,177 4,836 blocks after it

Position in block:

Transaction 21 of 63

Award day:

Jun 28, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION, DIVISION OF KORONADAL CITY

To:

REYDAN BUILDERS

Value:

₱708,587.71

Project:

Construction Services

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION, DIVISION OF KORONADAL CITY

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 #1,177 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 EDUCATION, DIVISION OF KORONADAL CITY awarded it to REYDAN BUILDERS on 2011-06-28.
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 44f661fb5e…2d65e3now …
2. Block Merkle root changed
stored 83d5d347c2…0ded36now …
3. Block #1177 hash changed
stored 7b0112a411…dc337dnow …

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 44f661fb5eae6bdcfca7474d09106f24cafbb7e195c9136440e4f1092e2d65e3
01 L 447c28363f34153d3a65bb3c4ea1048774dd1cf2293c9a155474076465fa8081
02 R 6a25cc014960ac0a0f3a7c2a6c470dde806e21278034e4a238d88fbc297860db
03 L 29c4a3bea4bdd59b71578bfeed3281f2e8021a0025a958fe95dd2c36c4a085b9
04 R c2f6a2cb607fce83dce8d9445ba02efcd3adeb7028600f0318197cae76d8fd38
05 L b12431415b18f61d3318e8d0e94feda39ef0cae267fec9527e4db4d6c4f0bd6d
06 R 4867e5ae446a8daa1b31f90298e0a5d1017da53634494ccd926bcd24215c9186
root 83d5d347c22c9fdbce38cdd36c4ee926482eb0208013c36337cb9f02340ded36