OpenTechnical

OT-2026-000083557

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000083557) never changes.

Identity and time

Publication numberOT-2026-000083557 · never reused
Internal UUID01a0ae98-0415-7fab-88e9-ec2422649bc5 · 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-2026-000083557
StatusPUBLIC

Content hashes

Canonical text46194f1fe3cb2a8a1a05abfd3b7e2bb5d49e7ae767f9d0bb53af51dfb684f26e
Markdown399d6f26f9496c823caf4d35d8a135bf67b8e10455944af72af55640648ad8f5
PDF
Publication page8ded110d03e251199934c19df3a1c778bf29ef60369221fe3623417e277989b2
Manifest8dedc9eb1bb952e4a6c41a1415390534465186d689c56ff4d5d77d9ba0c5460b

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
SignatureimvcG43/Qo0Qrjl0PQ1YOziY44x1ApntZ/kwLlp184KRZzpPGikouGDJdLd7iNKcB/bJza1tH9cVs39sCJzbDg==
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

2026-09-17T09:57:02.574685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083557
observed 8ded110d03e251199934c19df3a1c778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.557988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083557/manifest.json
observed 8dedc9eb1bb952e4a6c41a1415390534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.541413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083557/publication.md
observed 399d6f26f9496c823caf4d35d8a135bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.524952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083557/publication.txt
observed 46194f1fe3cb2a8a1a05abfd3b7e2bb5...
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.