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
PROVINCE OF COTABATO Award a ₱1.7M contract to ALZEN ENGINEERING AND CONSTRUCTION SUPPLIESProvinces
Transaction hash:
e53bfff6bfd3d8dedd8977767bd07ee6fca2b5e5b0e2d18f8652c0413287ab04
Status:
Included and unchanged
Block:
#2,875 3,138 blocks after it
Position in block:
Transaction 146 of 168
Award day:
Oct 11, 2016 (10 yrs 1 mo ago)
From:
Value:
₱1,696,141.17
Project:
PB INFRA 16-192
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 #2,875 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)PROVINCE OF COTABATO awarded it to ALZEN ENGINEERING AND CONSTRUCTION SUPPLIES on 2016-10-11.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)COA's CY2024 audit of Cotabato gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 e53bfff6bf…87ab04now …
- 2. Block Merkle root changedstored 6ed82ead0f…cbdb89now …
- 3. Block #2875 hash changedstored 47afcb18b5…01f83anow …
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 167 records. Each step hashes the current value together with the sibling shown.
- leaf e53bfff6bfd3d8dedd8977767bd07ee6fca2b5e5b0e2d18f8652c0413287ab04
- 01 R e69d87ac22c9788173eb64b066c8efb9d84f9cb83775f83af9ce004f629f856a
- 02 L 90d3367c7eef41708d2e043106da1f5c55f17383096907e8046b1f7440e1bb5a
- 03 R 585d509281149157e665fbb8cd16aaf8f37f247c38a68e5e8b5a0dbce7730329
- 04 R 8cdbe0939ae6a84dc46581479279b91e22a3e26497b7eea6bbcf1f88273438ab
- 05 L 756508ab9c5f5759dbbfca175069e416af59b6d3dd90ae70dd4fe0e6c4718239
- 06 R 60aedd5d8b6e4584136ff1b6bf27d0619a85c2468beb3900076c11391076f968
- 07 R 9d678ecb8ff1a729000d84180033eabc36761141e2bedd03a51f4d0efb266605
- 08 L eb01adb0a050eebc4cc45b71bde66fa85d3b05eb58d763e82d9de4dfa1b2bbde
- root 6ed82ead0f08c9a3ad2d707a674799fceabce5ab3c4f5ad625a0f8cf42cbdb89