OpenTechnical

OT-2026-000095866

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095866) never changes.

Identity and time

Publication numberOT-2026-000095866 · never reused
Internal UUID01a0ae9f-fac7-72e7-8833-bcb52a390d1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095866
StatusPUBLIC

Content hashes

Canonical textb791dc4d1aecd9ca4c90f9f15fe3315ba9f44028e9816ed2563acddb9bce295b
Markdown4ed8c78982da9fb5ae4d50f8886163bb05351e9f8eafadd88b4f5cd1152ce62b
PDF
Publication pagec1846f601a806a1bb4fe348146eb7aa1f6bd9ccda06dd0fee733968593dbf6a7
Manifeste4b0983007e1c7b15f375eccfe51dfa1092f7b6a4bab5f93b7a6e3fb7d47822f

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
Signatureesapl5ac2mVYbxZ1sGBYZdW4AhIkr5EISb+Fds5qOQ5gZXoNSWT3QdZdPXEnfNrJw+Z8ctSyj5UQoAlyWnWUCw==
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

2026-09-17T09:35:03.239608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095866
observed c1846f601a806a1bb4fe348146eb7aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.221791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095866/manifest.json
observed e4b0983007e1c7b15f375eccfe51dfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.204108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095866/publication.md
observed 4ed8c78982da9fb5ae4d50f8886163bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.186808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095866/publication.txt
observed b791dc4d1aecd9ca4c90f9f15fe3315b...
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.