OpenTechnical

OT-2026-000091084

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000091084) never changes.

Identity and time

Publication numberOT-2026-000091084 · never reused
Internal UUID01a0ae9c-c012-734b-9b9a-981bce05968d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091084
StatusPUBLIC

Content hashes

Canonical text670a3aab8af383810a85f4fb1fcc6aeaddb17b3ce975ac05fcebb86eed51d03e
Markdown96a26e46f16f2c77b94b653cda9b715a22ab87d9099fbd95f564606fc1560d2f
PDF
Publication pagef451df726861d063b468da263601921b33eec4537f02a332025591310c6aa65d
Manifest7812f98fcec9b1c7920f451f9b532d47abb2463f0db5d20dbaad6df6b97af4cf

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
Signaturej9tu6dfmQBSlcveGf//X16hQLObq2hHV2SWICkjB7F+8Am8no1gS9YdTIicgtpRh85AP8/u/AgqBUmsHKY1SCw==
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

2026-09-17T09:44:19.807991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091084
observed f451df726861d063b468da263601921b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.791754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091084/manifest.json
observed 7812f98fcec9b1c7920f451f9b532d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.774111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091084/publication.md
observed 96a26e46f16f2c77b94b653cda9b715a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.756646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091084/publication.txt
observed 670a3aab8af383810a85f4fb1fcc6aea...
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.