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 OLONGAPO, ZAMBALES Award a ₱2.4M contract to CDC CONSTRUCTION AND SUPPLIESCities
Transaction hash:
b6fc72233ea2a3964723ee4ad8fe7e893cabec7a6c38600c78d47ddd3188783a
Status:
Included and unchanged
Block:
#3,510 2,503 blocks after it
Position in block:
Transaction 188 of 255
Award day:
Aug 20, 2018 (8 yrs 2 mo ago)
Value:
₱2,434,879.22
Project:
Concreting of One-Side Drainage System
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 #3,510 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 OLONGAPO, ZAMBALES awarded it to CDC CONSTRUCTION AND SUPPLIES on 2018-08-20.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 Olongapo 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 b6fc72233e…88783anow …
- 2. Block Merkle root changedstored d58def81b4…d5528dnow …
- 3. Block #3510 hash changedstored 9b45069f93…64721bnow …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf b6fc72233ea2a3964723ee4ad8fe7e893cabec7a6c38600c78d47ddd3188783a
- 01 R b881c23323adc0a35ea0d3a0458bacbac0e3e32911fa4b6bffcb31890c784e28
- 02 R 9f3ffc5c33ca29fbb6466cebfd1fb2a737712de51bd9befafa744a01f468d97e
- 03 L 1773b03e5807b5f2e52689507d45137d09fe6c2a741cb8c51e9fc71f54f8d00b
- 04 L f6eb109381c971bc4ade4346fe8a1152da66cc74bce61cb9844277bcef506f8b
- 05 L a8d8d92d538fc07337c26c438af56abb1bf06735aa9d5006657a6289d7450365
- 06 L c578a6c8e5172346668b1fe0cd4c5a38c42ed360cacca3a33f2ea0940cd4b02a
- 07 R 2daf66ce2aa625522c87bad477d72425b5e4255ac5c2e5fa67c4babe3c28d093
- 08 L 8a7abb5f50b48c34bf31a3e3a7b59d7abac6c96b7d14e2e7d809ba6185e162c0
- root d58def81b4d6c49c178e1e9ebdf7d5cbba00519aed5b3278383f2b5d30d5528d