OpenTechnical

OT-2026-000083299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000083299) never changes.

Identity and time

Publication numberOT-2026-000083299 · never reused
Internal UUID01a0ae97-c963-7e1d-a943-86389457a283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083299
StatusPUBLIC

Content hashes

Canonical textad679624d3ebdd44c4f2cb9400b3afa1181c2a7404f44c6178b1f82094c2a439
Markdownee7cf20b392a5fa3b3e053442ae20856cd8c55bf483e3b902c250d73df1c1819
PDF
Publication page67bdd83902282313cae3f94e2b1b9d1abcfb91ba20eb95296dbb46f8a97b0a0d
Manifest6f6c27554ea4b38e4e45efe20d27f14ad3eb6dc489a0766fd343a134ffceab18

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
SignatureWbyL4+T8mQXs2TGzCklceew0JC5I1koPtRSrI4RCk4tMIQbxYDA0+UNzyXf7BqSoOh8X2YA7FpNPsxq9k55jDg==
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

2026-09-17T10:00:32.765350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299
observed 67bdd83902282313cae3f94e2b1b9d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.747083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299/manifest.json
observed 6f6c27554ea4b38e4e45efe20d27f14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.729834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299/publication.md
observed ee7cf20b392a5fa3b3e053442ae20856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.710674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299/publication.txt
observed ad679624d3ebdd44c4f2cb9400b3afa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.518445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299
observed 67bdd83902282313cae3f94e2b1b9d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.503790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299/manifest.json
observed 6f6c27554ea4b38e4e45efe20d27f14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.488319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299/publication.md
observed ee7cf20b392a5fa3b3e053442ae20856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.473863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083299/publication.txt
observed ad679624d3ebdd44c4f2cb9400b3afa1...
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.