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 ₱393.5K contract to DSO ENTERPRISESCities
Transaction hash:
df0e0f4872fb75757d27c8aadb5dd2af6f01f5fe9fe736b1ea15f235f33cbd59
Status:
Included and unchanged
Block:
#1,292 4,721 blocks after it
Position in block:
Transaction 92 of 103
Award day:
Nov 11, 2011 (15 yrs ago)
Value:
₱393,503.98
Project:
I-2011-078 Rehabilitation of Bridge, Barangay Canlubang
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 #1,292 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 DSO ENTERPRISES on 2011-11-11.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 df0e0f4872…3cbd59now …
- 2. Block Merkle root changedstored 181eaf46d6…394f74now …
- 3. Block #1292 hash changedstored 1dd3723d51…67234bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 102 records. Each step hashes the current value together with the sibling shown.
- leaf df0e0f4872fb75757d27c8aadb5dd2af6f01f5fe9fe736b1ea15f235f33cbd59
- 01 R e0d0297cf1e1327946f3ce7aff1ca69ab35e76f0a9912a904143b5036573e0bf
- 02 R 27fc6a3f1aaa3667a636316ff45241181f3e8d769f5118eff71ad5fd38d2ac27
- 03 L 808d9af30ec618b4700633076ecbdac7646c951e79f0d72b013ad693f07fc141
- 04 L 51bf6284ef13efc1cf208db5625edf56a0d97d321ed161b0757a33fa79e7aa8d
- 05 L 50ebeb847197314f13386643e04b524e44414ff8fdc3e0c8be08cda26a8224a2
- 06 R 9e13f0f237a38adc194d7e6a2f4928359b54eaa208993f82b1608a54d41f3425
- 07 L 84c5a26956085346535cd9a41d489a7de94478bb5fad46e22c8113e7eb765dcc
- root 181eaf46d6ae5ed30625026ff98470b784c55a893b50c8b7470628a77e394f74