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
ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE Award a ₱4.0M contract to L.A. ARIZOLA CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
222219d43a29dc2bd72ecfb5b24d0734e31e6e0b2b2fc4224d4abfe783d70ebc
Status:
Included and unchanged
Block:
#4,966 1,047 blocks after it
Position in block:
Transaction 39 of 262
Award day:
Nov 3, 2022 (4 yrs ago)
Value:
₱3,950,331.62
Project:
Water System Development - Licup IGACOS/Water Syst
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 #4,966 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)ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE awarded it to L.A. ARIZOLA CONSTRUCTION & SUPPLY on 2022-11-03.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 222219d43a…d70ebcnow …
- 2. Block Merkle root changedstored 37c9776678…7e56f3now …
- 3. Block #4966 hash changedstored f0d4e9dc3b…a0aa12now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 261 records. Each step hashes the current value together with the sibling shown.
- leaf 222219d43a29dc2bd72ecfb5b24d0734e31e6e0b2b2fc4224d4abfe783d70ebc
- 01 L 221bed7f87236e473ead7d8114db1dfe7155bab986e02a304964c5d9ed99d9cb
- 02 L 80075a6372e0cce082554d80dbc62fb068b4a147f5a8ec234f0851c79a4f939b
- 03 L 09f653473ac848092b922ea189faeffa5c14cb99005147dbd417b376c8644924
- 04 R e13c5641d1a233b2eb44fb5ed8cb25f8911b120286e095ba92d6b7829a03398e
- 05 R 6ea10e440459b7ad8aa3254955863e3cfce368aa4a3d2f160dba8208b623e763
- 06 L f644ad0aafcf59e9df3df00ff9415e627a7860f3de4a759536fbca442de14c80
- 07 R b6ac718db14a4dcc968a89e81e68972566b54ed93a8ca48dd2b4ccf1adbc552f
- 08 R c278ca65db809b145e75425731118828a89623cf9729aedd090a207bba451a74
- 09 R bf81bc7071cd215f39d0a7114a398caee3e51dbab0e5407281dfec7c55329d38
- root 37c977667882731d4faca5e10c0ce36e5599a99cd683dc4af400e8447d7e56f3