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
APITransaction action
DEPARTMENT OF NATIONAL DEFENSE - PROCUREMENT UNIT Award a ₱1.17B contract to MAMSAR CONSTRUCTION AND INDUSTRIAL CORPORATIONNational agencies
Transaction hash:
c097ac0bdfdbbd7e229cf904f9ad404506d04f52a2a4cf4fda22eb3e15205214
Status:
Included and unchanged
Block:
#4,427 1,586 blocks after it
Position in block:
Transaction 188 of 247
Award day:
Apr 21, 2021 (5 yrs 6 mo ago)
Value:
₱1,174,246,138.30
Project:
PAF Basing Support System (Phases 2, 3 & 4) at Pag-Asa Island Project
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #4,427 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF NATIONAL DEFENSE - PROCUREMENT UNIT awarded it to MAMSAR CONSTRUCTION AND INDUSTRIAL CORPORATION on 2021-04-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored c097ac0bdf…205214now …
- 2. Block Merkle root changedstored a18e5850f5…11c264now …
- 3. Block #4427 hash changedstored 316e46d27a…7d19e5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 246 records. Each step hashes the current value together with the sibling shown.
- leaf c097ac0bdfdbbd7e229cf904f9ad404506d04f52a2a4cf4fda22eb3e15205214
- 01 R c09a35b1bb302f99f83f880afd84c59517708a784dea90bcd1ac0117f5e8fb89
- 02 R 474c529ac6391e1ebfc0e3e94124086ebf9677ebf9892d09bd971a824cef2f4d
- 03 L 72eb8d50986f3cf119a8dc55055baad12c79e572daae5da8cdabafa809f8ec3b
- 04 L 0cb7062ecc0ef449dce7dd11caec1cc2a6d3e515e796953e9e77800476cdef6d
- 05 L ed8a53d5b649a822e880370d8e694f012ace37a9001b882adcfcfb438aecb50e
- 06 L 8a1f78738125d830a9eca22233713d608447eb5c10ff123d8bdfff7f10a988bd
- 07 R 5a342ab3a284484f84b5de63bdfb561ff64d0d5283cf31c40a8ccf772dd83e04
- 08 L aad1c311c2da51516fa3cdc2efd504687ef4a50475609f99047cb934387b37e9
- root a18e5850f5ddb91b109fd02b6847fd779c8c087cc066352d59fe02c54c11c264