OpenTechnical

OT-2026-000092240

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000092240) never changes.

Identity and time

Publication numberOT-2026-000092240 · never reused
Internal UUID01a0ae9d-875a-74ff-83d8-4a697a4bbdd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092240
StatusPUBLIC

Content hashes

Canonical text5b75dbf253da33f97ce3c604aaaeeab6c7c9f1f3944b592d1a83801a268bed18
Markdownf3bcd1396e5aa2e85874c5d6dd516f611da7e2c0d12c7a03ec17cc4236bec229
PDF
Publication page8c5a968d788c24ee5d7cf685595d9f55d2374f81742012a1e9fc9587dbf2b78b
Manifest467e8a00d5d9522ca6a74a7c30e2c045b63d39b36bea199b9e4bd1ea466070f4

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
Signature6RKRwnfOrbCSuZaihiACdSBmQu1f338yEfNBv7X3r1XmWipO43VszibIJYQjZG97xC1x6vFlBuOMvKTY020sCA==
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

2026-09-17T09:41:45.669421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092240
observed 8c5a968d788c24ee5d7cf685595d9f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.649504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092240/manifest.json
observed 467e8a00d5d9522ca6a74a7c30e2c045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.632530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092240/publication.md
observed f3bcd1396e5aa2e85874c5d6dd516f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.615228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092240/publication.txt
observed 5b75dbf253da33f97ce3c604aaaeeab6...
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.