OpenTechnical

OT-2026-000086053

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000086053) never changes.

Identity and time

Publication numberOT-2026-000086053 · never reused
Internal UUID01a0ae99-e82b-7fe3-b183-057d523a4383 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086053
StatusPUBLIC

Content hashes

Canonical text19b63e638e030dd41088ee4ed1858336a871f0c7629ba70be477ad74735f2a86
Markdown46ef50ab63d0283c7beead633ef7e236a3d5357852fa6ed457bc2f0c3d85f2cb
PDF
Publication page6137ffdf634e933cb1839d97c552d1c8b721f6861b85235ad9e50cef1b113226
Manifesta111c33790c7eb5153ce4927312db6001a15b96bdd70a5a047eb32ba456fb439

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
Signature67DASg06eBOkCVK+cWOJd+k68+bOuhxE4M04oBfUxWb1t3oE3V4hbkS0EfdxA+WTqXV+gn0MqSA9f7LcSybcDg==
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

2026-09-17T09:53:02.919052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086053
observed 6137ffdf634e933cb1839d97c552d1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.901699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086053/manifest.json
observed a111c33790c7eb5153ce4927312db600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.882202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086053/publication.md
observed 46ef50ab63d0283c7beead633ef7e236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.864117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086053/publication.txt
observed 19b63e638e030dd41088ee4ed1858336...
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.