OpenTechnical

OT-2026-000071140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071140) never changes.

Identity and time

Publication numberOT-2026-000071140 · never reused
Internal UUID01a0ae91-e0eb-7d4d-830f-06cf0623d7fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071140
StatusPUBLIC

Content hashes

Canonical text2d28772a333f435652fadc963edb059edf3613a0600b132200ff6b4dd23b0988
Markdown1f69484886c3aacd0192b61e97de48b3374418ad62b52361c10c0c2eb6fa86b6
PDF
Publication pageb993bfae740bfbb77d5789468c02aa0a5ae8e3b30e3311ac148154323ddba4a5
Manifesta2a3277bb4c17cb8e3bbdb9eba3bc3744de422cff0b25e0df937c904d47554f2

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
Signaturepa/60T39rm8zdYdpaWWK0eG+wK5Fk3lBPLXxm/uuF6cgJda7eOWmizgnVL5mC02z6ocoQG6XX7xDVOD4VbW/Aw==
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

2026-09-17T10:24:38.602367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071140
observed b993bfae740bfbb77d5789468c02aa0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.585578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071140/manifest.json
observed a2a3277bb4c17cb8e3bbdb9eba3bc374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.567541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071140/publication.md
observed 1f69484886c3aacd0192b61e97de48b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.549838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071140/publication.txt
observed 2d28772a333f435652fadc963edb059e...
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.