OpenTechnical

OT-2026-000087262

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000087262) never changes.

Identity and time

Publication numberOT-2026-000087262 · never reused
Internal UUID01a0ae9a-cd4d-7eb3-b08b-4845363c29e3 · 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-2026-000087262
StatusPUBLIC

Content hashes

Canonical text8bc641531e72f4a48e4d1a8394ba4da363a629e742d9da3761f8e748cbfa21b4
Markdown51dc3a6f5e3a86b29087537fd5dea8e60982c2be149b531718e5c386fa2685e8
PDF
Publication pageb815c609a5dcccf62780bc05d5b10fb4dbbffdf23bcbc85471b9b9d552df2549
Manifeste115715b32927093243b00ff8129f77543152d6e21d4f2ce860e7a512d36564c

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
SignatureXKQI4/oW0iVb80sd5sfUQ3wTG9bL4IDmeNu4UU/RwhboxhzYGhfJbcVyZquOxf0nQT4bP/e9rqNY4vTBgrIjAg==
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

2026-09-17T09:50:22.744982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262
observed b815c609a5dcccf62780bc05d5b10fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.727183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262/manifest.json
observed e115715b32927093243b00ff8129f775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.707937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262/publication.md
observed 51dc3a6f5e3a86b29087537fd5dea8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.707838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262
observed b815c609a5dcccf62780bc05d5b10fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.689760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262/publication.txt
observed 8bc641531e72f4a48e4d1a8394ba4da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.688485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262/manifest.json
observed e115715b32927093243b00ff8129f775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.669177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262/publication.md
observed 51dc3a6f5e3a86b29087537fd5dea8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.651995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087262/publication.txt
observed 8bc641531e72f4a48e4d1a8394ba4da3...
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.