OpenTechnical

OT-2026-000097203

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097203) never changes.

Identity and time

Publication numberOT-2026-000097203 · never reused
Internal UUID01a0aea1-01ca-76ce-a63a-0cfaa85b9562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097203
StatusPUBLIC

Content hashes

Canonical textffbd765f4acc467543d429bf8f0e50ff225d6cda45e1bc6f072ff84b54410eb6
Markdown2b4789677aa0358e7707992ffe34cc129482762a63060d79aa52062c4b647c94
PDF
Publication page50716af0a02dcc3cc0b4fc2afe20cc2e3c25abdd1d58dbfd646c46279dff38d2
Manifest22bfca1c5dcd4f8639e2da5a1a24f41f4f0baee5d7fef7ca81fe5f26b338683c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturekRg+lEHadfMSILx7b+CuxwyS55qv7zPQ+9vubLPqMe7F3AsyqrNBGMGx6c6jZZoZolkty7AvLJT2gD+UY6FHAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:26.726310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097203
observed 50716af0a02dcc3cc0b4fc2afe20cc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.709318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097203/manifest.json
observed 22bfca1c5dcd4f8639e2da5a1a24f41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.691749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097203/publication.md
observed 2b4789677aa0358e7707992ffe34cc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.673721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097203/publication.txt
observed ffbd765f4acc467543d429bf8f0e50ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.