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
CITY OF BUTUAN, AGUSAN DEL NORTE Award a ₱1.9M contract to TESAR BUILDERSCities
Transaction hash:
aedb3737e4ba8d401bf8315bbf1b94f1d70b30d8e9fdb11e4c994ff1806fd6f8
Status:
Included and unchanged
Block:
#3,480 2,533 blocks after it
Position in block:
Transaction 96 of 145
Award day:
Jul 18, 2018 (8 yrs 3 mo ago)
Value:
₱1,861,970.42
Project:
Concreting of Road with Drainage Canal
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 #3,480 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)CITY OF BUTUAN, AGUSAN DEL NORTE awarded it to TESAR BUILDERS on 2018-07-18.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 City of Butuan 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 aedb3737e4…6fd6f8now …
- 2. Block Merkle root changedstored 9d37bb2ccc…c034dfnow …
- 3. Block #3480 hash changedstored 89d4edccac…1abd4dnow …
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 144 records. Each step hashes the current value together with the sibling shown.
- leaf aedb3737e4ba8d401bf8315bbf1b94f1d70b30d8e9fdb11e4c994ff1806fd6f8
- 01 R b015a193ffaa9c8fd61f3449e98ebb7a4094f42e6ab649fc73aa7381084f862b
- 02 R 46911211ae462c7057b2bf784dbe0c18d62bbe93fa6e3b8f63e0f4738f9fae47
- 03 R 8cbb95b597117f5e93b0c5d913ad0fe9df6a4bd5844aa54154fb5c044f601e2f
- 04 R 379ff1617f0912cc3cfe0e1fb11756b692c06ea82672c19db39806b87815a5b7
- 05 R 48b680bdda820b53f3e5f1d30315ab60a5d718bbb5738012d11f36245a624657
- 06 L 0fe32a1f80001ded75a89c3acffb96d6dc1904fcfd4d89539fe4dd6c97fb1b09
- 07 L 6b24e3cd2ad775daf280e2da7f9ebef2456470d43f7130253b7906f7cfce46a3
- 08 R 44c0769fb659df7eaa8a24c183f49f92956dfcca8f5b29690cf1f659eb6bae9a
- root 9d37bb2ccc54f1a4c008f5da4154de4b363b36bf3e5945474eb2e2d23fc034df