OpenTechnical

OT-2026-000083567

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000083567) never changes.

Identity and time

Publication numberOT-2026-000083567 · never reused
Internal UUID01a0ae98-0415-7ed7-b983-23b673aec825 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083567
StatusPUBLIC

Content hashes

Canonical text98d6263a0944a22b884f9f25c1d066e43efee95cfeea573bbfc5d2bfb4a8e179
Markdown271c02774de7e60228dd752d409c9685a56aaf1509c591bb04c82b3f4663a70f
PDF
Publication pagea95256dd1618c1f663e15eac316ec8454eb22545de17708b3af8d1236901fc48
Manifest4ba6b92d083505eb9640fe81ad3724e64b31b4147c6bb7401c13bc29ad2ca50d

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
SignaturelJPsWdN9yTPWcNxsOaMmxQ9N3UF92WGfyqu6SVOYUj0iCWlL8P9P+kGHkg3LhK2vFo1IBVPLQ+nnRpz9yN7WBA==
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

2026-09-17T09:57:03.308437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083567
observed a95256dd1618c1f663e15eac316ec845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.290729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083567/manifest.json
observed 4ba6b92d083505eb9640fe81ad3724e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.272396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083567/publication.md
observed 271c02774de7e60228dd752d409c9685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.256587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083567/publication.txt
observed 98d6263a0944a22b884f9f25c1d066e4...
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.