OpenTechnical

OT-2026-000083683

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000083683) never changes.

Identity and time

Publication numberOT-2026-000083683 · never reused
Internal UUID01a0ae98-0416-7c55-8f19-999945d2f2fc · 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-2026-000083683
StatusPUBLIC

Content hashes

Canonical text267696e0e0e0b6e62aa78878aec8a52a6b71290f02c6619566903959eec6a105
Markdown3a7bd4d6f810d226d6aa39ef4261cbeef87ed588b727f2c5e1145f787f671e49
PDF
Publication page360adb43705326d6979136bd30d761220ecca43b7b52e18aeb0c146aae0c1a33
Manifest7b4948f99a102a68a64242199fc4448ebd5927a6bc5049600ca31a082ca7f165

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
SignatureI9bZXVT/Kffs1tD+SHmyWGyOH1VKeewKDgS1oQI3gkyEV+bjiYl+diNYOMniMJjWHiUxr6zTH23OMTkzr/GhBw==
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

2026-09-17T09:57:18.482863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083683
observed 360adb43705326d6979136bd30d76122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.464863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083683/manifest.json
observed 7b4948f99a102a68a64242199fc4448e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.446985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083683/publication.md
observed 3a7bd4d6f810d226d6aa39ef4261cbee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.430040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083683/publication.txt
observed 267696e0e0e0b6e62aa78878aec8a52a...
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.