OpenTechnical

OT-2026-000080351

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000080351) never changes.

Identity and time

Publication numberOT-2026-000080351 · never reused
Internal UUID01a0ae96-7e77-791a-a06e-eb43d202cbef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080351
StatusPUBLIC

Content hashes

Canonical text37d8250bedc77657003e539612f45354f68411654ed31d0073f105d700382ed5
Markdown0648ff24b9939edbdfd9a7da81fa3bc41e248600b7a0f62b6c9d7ad71c66a106
PDF
Publication pageacd6d20da4c8affb262df140f2b574d098e6d8ff715917505e2f88ed8fb01c2a
Manifestd1ccf75df49101a097acd83591458a6622f4b0d41318addc2682e9221b67f9ea

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
Signature15inUR5VzfPoVrkDX+7qTQbNZuuv0uTNtpE+IzVOrbDSvrxRm4UQ0w3RUu4WNstrjVHXieH1waQ78pUzBoALAA==
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

2026-09-17T10:02:50.013162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080351
observed acd6d20da4c8affb262df140f2b574d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.995383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080351/manifest.json
observed d1ccf75df49101a097acd83591458a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.976885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080351/publication.md
observed 0648ff24b9939edbdfd9a7da81fa3bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.959449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080351/publication.txt
observed 37d8250bedc77657003e539612f45354...
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.