OpenTechnical

OT-2026-000077192

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented after set-down

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-2026-000077192) never changes.

Identity and time

Publication numberOT-2026-000077192 · never reused
Internal UUID01a0ae94-f508-79c6-9907-5f9244ba484a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077192
StatusPUBLIC

Content hashes

Canonical text681ac0a106837228ac182968b9feb1829c96f092aa2cafe1a1e6a5c9f6e0088b
Markdownc1073116469acbb4363864b54d955d72f8e8ab5c0286c68c18a80b5be5c98e24
PDF
Publication page47085319a1a8094acbcbce71fe46865eb14f7f63154058bd5e6e26719bb81093
Manifestd29a71b1b4414060ae5bbe1700fb55de1f44e11b644155a058d6365bd412639a

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
SignatureryLV33XNghAWO0OHZpQZJw0iXKj/KSylXsH3gMEa3DQPniw3i0JejDODQLV08ts2+FWaqnC/bpiCjjZ0bShCCA==
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

2026-09-17T10:08:40.011757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077192
observed 47085319a1a8094acbcbce71fe46865e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.990787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077192/manifest.json
observed d29a71b1b4414060ae5bbe1700fb55de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.972103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077192/publication.md
observed c1073116469acbb4363864b54d955d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.953958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077192/publication.txt
observed 681ac0a106837228ac182968b9feb182...
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.