OpenTechnical

OT-2026-000087282

Publication integrity record

Three cup vacuum gripper, three 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-2026-000087282) never changes.

Identity and time

Publication numberOT-2026-000087282 · never reused
Internal UUID01a0ae9a-cd4e-71cc-880c-3e9902c6e988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087282
StatusPUBLIC

Content hashes

Canonical text684611a15d15e9aeaea943348f2832a27390d066d5f154fb64874178b297a0b9
Markdown2ac576327cb35bae27513a026248f00d70605fb73393d4600d97901f8790a13d
PDF
Publication page65fad30212978cebc31f7a49375b0d98b6d92dcbaf1c5012ce762f4bb58274e4
Manifeste1ac6740169525a7fc7199aa347d5c90a5543ec9543089146037ad909f7e2307

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
SignatureC1NojiRYd4paVoP/DQrvOfSHWFur7up9zvahf+J0kIZciPYzD+b+R0oihR9cyKhdGk4lEIFEwRl9QOG4NRs5BQ==
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

2026-09-17T09:50:24.912158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282
observed 65fad30212978cebc31f7a49375b0d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.894084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282/manifest.json
observed e1ac6740169525a7fc7199aa347d5c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.881483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282
observed 65fad30212978cebc31f7a49375b0d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.867615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282/publication.md
observed 2ac576327cb35bae27513a026248f00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.860743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282/manifest.json
observed e1ac6740169525a7fc7199aa347d5c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.836865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282/publication.txt
observed 684611a15d15e9aeaea943348f2832a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.836437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282/publication.md
observed 2ac576327cb35bae27513a026248f00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:24.772601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087282/publication.txt
observed 684611a15d15e9aeaea943348f2832a2...
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.