OpenTechnical

OT-2026-000078515

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078515) never changes.

Identity and time

Publication numberOT-2026-000078515 · never reused
Internal UUID01a0ae95-7c29-70f5-aa6c-685ec734c5e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078515
StatusPUBLIC

Content hashes

Canonical text266446577f74f2d70d5a6c5eaf0417f361f9a6b523b6715a55ed46f94357e72d
Markdown2918e954852192db312dfadf07be389ae6535929d7f471400e59a1e2459203df
PDF
Publication page01e3ba5f8c063ddb1079bcce1a5544e2cb9b0ff7f8c0898f2f372fa11b8f65c7
Manifestfa2fc960c617a58241a5b2f8fa4c8564b38f2543ca2bbb8dc5b63cfa773b659e

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
SignaturemmOjXg7b0DW8B9SVGfN/dGXafIJQ4b0CIpQWzoqSVz8kc0KErwF5Ex3bNsLeQ5UWIZlFiI7HkExAdCyV4yguCg==
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

2026-09-17T10:06:31.916535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078515
observed 01e3ba5f8c063ddb1079bcce1a5544e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.898583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078515/manifest.json
observed fa2fc960c617a58241a5b2f8fa4c8564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.882100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078515/publication.md
observed 2918e954852192db312dfadf07be389a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.864872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078515/publication.txt
observed 266446577f74f2d70d5a6c5eaf0417f3...
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.