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 CALAMBA, LAGUNA Award a ₱5.3M contract to TRI-DOM TRADING AND CONSTRUCTIONCities
Transaction hash:
d1c8ea5dbb7e6587e8aa62c9fae2e773245fa8776e4d79699e50a0d71644578b
Status:
Included and unchanged
Block:
#324 5,689 blocks after it
Position in block:
Transaction 6 of 7
Award day:
Apr 24, 2008 (18 yrs 6 mo ago)
Value:
₱5,325,449.77
Project:
I-2007-105 Construction of 2-Storey 4 CL School Building, Bucal ES, Barangay Bucal
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 #324 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 CALAMBA, LAGUNA awarded it to TRI-DOM TRADING AND CONSTRUCTION on 2008-04-24.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 Calamba 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 d1c8ea5dbb…44578bnow …
- 2. Block Merkle root changedstored 818deab60c…cc11c9now …
- 3. Block #324 hash changedstored 734d8c8933…55b8f2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.
- leaf d1c8ea5dbb7e6587e8aa62c9fae2e773245fa8776e4d79699e50a0d71644578b
- 01 R d1c8ea5dbb7e6587e8aa62c9fae2e773245fa8776e4d79699e50a0d71644578b
- 02 L 9432f38a3b4b3df87c782f4749bf36040f5665476bd75060fe186a4c743e2513
- 03 L 8aefb82af2b580b0bd96c0f21c088ec1da8bb39865cb626ab464ee4f46a42640
- root 818deab60cb02ba59a278c2de6d02275e165e8751c8a2215ff89d48276cc11c9