OpenTechnical

OT-2026-000082871

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000082871) never changes.

Identity and time

Publication numberOT-2026-000082871 · never reused
Internal UUID01a0ae97-8cca-771d-a890-505e0bd10942 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082871
StatusPUBLIC

Content hashes

Canonical text17706397d016663b811417341c8708f60808ccf542dc00d0463cafb6cb48d5ae
Markdown9002c63742e765318941c3f7495b2812dee023b43b9076f1445413c1982831c3
PDF
Publication page0d424924fcf89510eb6448e753567669840adea8b76cf1dab868a72938aa2d6f
Manifest2312e62439ec528328738ad721029c3ea5496619caa8e3e4d7104c054d46b27c

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
SignatureM9yT8MLZwvzzxxX9NhsOr8SLBpAf6o99EeRWP4VojBZAFXd8jH1YU34NWR9oCxyVHjJ+yY6+3oodsllB7H91Dw==
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

2026-09-17T09:58:33.174265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082871
observed 0d424924fcf89510eb6448e753567669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.156175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082871/manifest.json
observed 2312e62439ec528328738ad721029c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.138167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082871/publication.md
observed 9002c63742e765318941c3f7495b2812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.121309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082871/publication.txt
observed 17706397d016663b811417341c8708f6...
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.