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 ₱974.8K contract to POWER K CONSTRUCTION SUPPLY & SERVICESCities
Transaction hash:
3ead464d63c99fea22d24e7aa9cccf14ae3c855c1e2004a9e2bbd67797cda13a
Status:
Included and unchanged
Block:
#3,499 2,514 blocks after it
Position in block:
Transaction 88 of 370
Award day:
Aug 8, 2018 (8 yrs 3 mo ago)
Value:
₱974,771.22
Project:
Construction Works
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 #3,499 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 POWER K CONSTRUCTION SUPPLY & SERVICES on 2018-08-08.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 3ead464d63…cda13anow …
- 2. Block Merkle root changedstored 05cc099892…6ec295now …
- 3. Block #3499 hash changedstored db73753bf4…ce4f8fnow …
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 369 records. Each step hashes the current value together with the sibling shown.
- leaf 3ead464d63c99fea22d24e7aa9cccf14ae3c855c1e2004a9e2bbd67797cda13a
- 01 R 414a85e3c2654f1f4c008f9df523e5af6537c6ed4a2b5176f506d7739c10188c
- 02 R d0237ab850d51fd1322a4001150b00075dc6dc4f79c7b4fefbe1afe60525aeb5
- 03 R bd839cfe0bb58c358c3cd26d1fee1950bcdad294e3f1a5244681091da9606f53
- 04 L 60dadfb015b290314368cffd034dcc80b99877324cb3be50309a58a3f52e1c38
- 05 L 4bbaea18e5493430b5212549ea342d9e60b9d156eac62f92864d813929db4eea
- 06 R 6af61f885fa5963b90caecee4f81979580819aa852ea56b3f5f77f028b4ce27a
- 07 L 177b3e7e013920c2d7c233860dbce767c46d8dc4e24e9af2a48beb09926fc8a7
- 08 R 37bff089f711bd26d653c303607fafe8f06ba6e697c650c5f7a668e4c4ea3602
- 09 R 777bbe0cfe2fb3054f60a1825b58a6a49b7d6332be743f3edd63345eb283d167
- root 05cc0998928a70d9fe0daa43f4d313bdfd53850bd12e9d186f2a04a2b36ec295