OpenTechnical

OT-2026-000077962

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented after 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-2026-000077962) never changes.

Identity and time

Publication numberOT-2026-000077962 · never reused
Internal UUID01a0ae95-2ed1-7245-842d-611a8aa41139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077962
StatusPUBLIC

Content hashes

Canonical text41e0fd67ec9a16ebd153e38d3bdae13870f1b8c0db45e166f7e6a9e38c684476
Markdowncdb3aa64e349e2c960834a5c4d6c2e64214918e9c974fb71f5b77bf5f2c8bf69
PDF
Publication page1160ec78ad92c45f349ba12cba5701c37308ec492f4773129521d4e180fc6dae
Manifestfca0ededa46f8566f7c18da0a8850bcd84844b2cff55625cfc1ac535513af3eb

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
SignatureoOQ0Zxqk92twh1kI+U1ZSQNzB+nee71lekouxXuprfBk8mxIEHSQlWos5ZkFmFFPr9Xceo6BeqniBz8zeR74Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:59.651310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077962
observed 1160ec78ad92c45f349ba12cba5701c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.632867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077962/manifest.json
observed fca0ededa46f8566f7c18da0a8850bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.614187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077962/publication.md
observed cdb3aa64e349e2c960834a5c4d6c2e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.596541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077962/publication.txt
observed 41e0fd67ec9a16ebd153e38d3bdae138...
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.