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 SAN PEDRO, LAGUNA Award a ₱6.0M contract to TOPNOTCH CATALYST BUILDERS INC.Cities
Transaction hash:
2b34218d3ee5e33b57d4591c64a80a8e9165fcbdc83540e21c7149bc9a35d59c
Status:
Included and unchanged
Block:
#5,524 489 blocks after it
Position in block:
Transaction 49 of 286
Award day:
Jun 5, 2024 (2 yrs 5 mo ago)
Value:
₱5,969,029.66
Project:
Construction Projects
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 #5,524 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 SAN PEDRO, LAGUNA awarded it to TOPNOTCH CATALYST BUILDERS INC. on 2024-06-05.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 San Pedro gave a "unmodified" 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 2b34218d3e…35d59cnow …
- 2. Block Merkle root changedstored 375306b6ef…a92b4cnow …
- 3. Block #5524 hash changedstored 2f0d0e6e05…ba1a92now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 285 records. Each step hashes the current value together with the sibling shown.
- leaf 2b34218d3ee5e33b57d4591c64a80a8e9165fcbdc83540e21c7149bc9a35d59c
- 01 L 2b097469084f1854195f5a152ab56fbaf95e3e45a9f6c74a70ec94672f859183
- 02 R 6163a393384a4a3ded3aef702b333c74db63c9f9c73927fba039e6ea881456b7
- 03 R a8bfe34666a6fc05db7d29e4a8c63ce694af20fb691a4fcb531c2e1816c4ab19
- 04 R 9f23e0bcf6931ed3373e6502a502e996c1a0b47f06d6f33cdb7eb1516838e11b
- 05 L 6108fd86806738f51b6cbeb36827027857068e5a0c5d01c782667fd9cf987259
- 06 L c404e39e075e25e85186430d7832c759da0ddba671c6a322787ba5dab3faa5e0
- 07 R 1069edc59cf367f1c6c1ff01022abb346e99381f8538640b215e40d27ac60b77
- 08 R e20d747857c23904e8e8e68c02a89d60a495da9ca84825a3c3d81f970c43cf3c
- 09 R 798e74197fcbce64e75bb832111ede563edd5f045e48b13e38d3ce97ce784da4
- root 375306b6ef90b03d21fcc359ad8acc0a06a20acee06f7b2b0d34fdf2c7a92b4c