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 CAUAYAN, ISABELA Award a ₱5.1M contract to CAMBERWELL CONSTRUCTION AND SUPPLIESCities
Transaction hash:
8f0b3face65dbeea64a84b6cc80a555aae131a8f982788571bc4ce68fd3f55b2
Status:
Included and unchanged
Block:
#4,419 1,594 blocks after it
Position in block:
Transaction 146 of 233
Award day:
Apr 13, 2021 (5 yrs 7 mo ago)
Value:
₱5,067,935.42
Project:
Improvement of Legislative Building
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 #4,419 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 CAUAYAN, ISABELA awarded it to CAMBERWELL CONSTRUCTION AND SUPPLIES on 2021-04-13.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 Cauayan 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 8f0b3face6…3f55b2now …
- 2. Block Merkle root changedstored bd84be23e1…4c9aeanow …
- 3. Block #4419 hash changedstored 43158c31cc…c33312now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf 8f0b3face65dbeea64a84b6cc80a555aae131a8f982788571bc4ce68fd3f55b2
- 01 R 909f5d164f28f9162f51a0a630ebd3e32256c572881fe81aa60b068121ea3140
- 02 L b12c6603965d214f4741cedee6a6a0b42f22315cbefa5f091222f31cba170734
- 03 R b92e38dd2832feb2d9ba4ff6ec07f5799ed8bfd61646ddda6e1b69c529af408b
- 04 R 90373ff2a203e916d1dbb5bf12d2b9870a4d431af4872fce2398f9d2d87481ae
- 05 L c4bd3b20a1b2906cff2c3987a4cd21b0f8f0b687c505c363c5d2c90a06d3535e
- 06 R 42b4fe15e359354f70d00b88d84644584e554198ac4888e4032f7f4d62d29065
- 07 R 0cc2eeceb0e607e1cd02b5512cdd1da18ba16828cbbb7a8295c4e8c3491d377f
- 08 L 6242cf8186ef48965661c4f6b601c17689c72c37a9bf7e91082516c752bd51e0
- root bd84be23e169cbbedcc76c8db0786279368feb7be723b9730d5aa54c8a4c9aea