OpenTechnical

OT-2026-000079815

Publication integrity record

Four bellows cup 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-2026-000079815) never changes.

Identity and time

Publication numberOT-2026-000079815 · never reused
Internal UUID01a0ae96-4376-7bc8-836b-1dff9f272769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079815
StatusPUBLIC

Content hashes

Canonical text1c59687c22c0fbc5bcb708e54d926bc5b9342a8eba317e165b6d58016e180e1c
Markdown05239d4c45c521e796eb9a45dcae934bd273a5dc2a2b8d0dc31f0441416b514e
PDF
Publication pagec7b713c6f281bd428442b8c538d90a25f3bc6b5660f66ed97ed19f1fde58732c
Manifesteb73b7b663db5ae9c70c2721561ace664e0441bbd5dc152e41b31a431645dc0a

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
Signature97fmJ5BP1sASV7KLCt9qXehiSfG39icj3IuLCCVV2f4VnuG0Df5dmQY3CxSQHongIwUE98kTTn7d8TK3NU9yAg==
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

2026-09-17T10:03:41.702001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079815
observed c7b713c6f281bd428442b8c538d90a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.684033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079815/manifest.json
observed eb73b7b663db5ae9c70c2721561ace66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.666486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079815/publication.md
observed 05239d4c45c521e796eb9a45dcae934b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.648143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079815/publication.txt
observed 1c59687c22c0fbc5bcb708e54d926bc5...
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.