OpenTechnical

OT-2026-000083833

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083833) never changes.

Identity and time

Publication numberOT-2026-000083833 · never reused
Internal UUID01a0ae98-0418-770c-91e0-80e409894f79 · 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-2026-000083833
StatusPUBLIC

Content hashes

Canonical text37b5398dbe27edce094125becff9624932c7cfc3a46aa265562c528dc1296931
Markdown79344aeb21b61d8a3b135388f0f11898f641a542978efbf2e8888c582a3e9210
PDF
Publication page4714aaed9c284dcfc108ef4f7320e1b5f8521f9c87930c51a3cf8beb35579da5
Manifeste3408ca7ad7cd688abc209727d100789febee1c05ae8fa69dc94a09ecee39d4d

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
SignatureERP6RuDk0amnjykauHUa7/mp+1JTvir8prwlvXiUNrxQ0MtFC7eBuOj93CGJggUyREHf6oUawoiER5ZimvUvBw==
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

2026-09-17T10:00:06.432003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833
observed 4714aaed9c284dcfc108ef4f7320e1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.409875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833/manifest.json
observed e3408ca7ad7cd688abc209727d100789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.381850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833/publication.md
observed 79344aeb21b61d8a3b135388f0f11898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.359903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833/publication.txt
observed 37b5398dbe27edce094125becff96249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.384057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833
observed 4714aaed9c284dcfc108ef4f7320e1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.365564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833/manifest.json
observed e3408ca7ad7cd688abc209727d100789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.348000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833/publication.md
observed 79344aeb21b61d8a3b135388f0f11898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.330611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083833/publication.txt
observed 37b5398dbe27edce094125becff96249...
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.