OpenTechnical

OT-2026-000083963

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000083963) never changes.

Identity and time

Publication numberOT-2026-000083963 · never reused
Internal UUID01a0ae98-0419-793a-9a3c-79cb24721d93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083963
StatusPUBLIC

Content hashes

Canonical textf70d82f0cbacb495fac1ce0c6cc3bfa9075e0f0acd4a594555007e5956f84495
Markdown042759dabb4e238ee0b0edb5384bb9e97f3e9c1f04fb00ae6a84b42e794fafbe
PDF
Publication page9c29cee6dc13c091523c5ab16404a7a81712ff13dda47cc4d9194c163d5f60e8
Manifesteb1551537df9b70c06aa2c9410d4a1c13ae554da0275d901f5d452685850bcd1

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
SignatureuvVNC8J8mYBHgm9i5TGGzjXvS5QwaPGvzn+AfGTTcXFRfRMrDgOPHs2n1JzWXIVJQHi551M8L6iCG8oFPRTECQ==
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

2026-09-17T10:00:28.833454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963
observed 9c29cee6dc13c091523c5ab16404a7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.814386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963/manifest.json
observed eb1551537df9b70c06aa2c9410d4a1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.796563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963/publication.md
observed 042759dabb4e238ee0b0edb5384bb9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.775674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963/publication.txt
observed f70d82f0cbacb495fac1ce0c6cc3bfa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.890600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963
observed 9c29cee6dc13c091523c5ab16404a7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.874365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963/manifest.json
observed eb1551537df9b70c06aa2c9410d4a1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.858737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963/publication.md
observed 042759dabb4e238ee0b0edb5384bb9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.842532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083963/publication.txt
observed f70d82f0cbacb495fac1ce0c6cc3bfa9...
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.