OpenTechnical

OT-2026-000081297

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000081297) never changes.

Identity and time

Publication numberOT-2026-000081297 · never reused
Internal UUID01a0ae96-f374-7ef4-a54e-eb824515875a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081297
StatusPUBLIC

Content hashes

Canonical text560b5af111f04691db539d31209dad417dd83d73b1379f009107dc65d543ae5b
Markdown21d980e08be175fd0eee4632b19c8361929f221c0f5bd3880c10980294da8216
PDF
Publication page78aa90a0af3449ef14daba3fd7c43a6ec2ce618ddd2325a9cb13ff4d26c554e9
Manifest09f4288fa03e5739cb2189b3f2463670d59ef99fdc8d660fec4c976958dde809

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
SignaturetwnjkiQQtjwBi6h3JCwpZlCB1zSSwGOmByBMpwc3FhKDHPA5k3AgDUo6PaQ6GzCPnXWtJ4Y3zPySlrj2XkAbDA==
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

2026-09-17T10:01:24.448876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081297
observed 78aa90a0af3449ef14daba3fd7c43a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.429891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081297/manifest.json
observed 09f4288fa03e5739cb2189b3f2463670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.412453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081297/publication.md
observed 21d980e08be175fd0eee4632b19c8361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.394191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081297/publication.txt
observed 560b5af111f04691db539d31209dad41...
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.