OpenTechnical

OT-2026-000076201

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076201) never changes.

Identity and time

Publication numberOT-2026-000076201 · never reused
Internal UUID01a0ae94-6a6f-7a15-8920-ef506a3ea996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076201
StatusPUBLIC

Content hashes

Canonical text348342479e863ce127aec8ee0fad40439086c1754dc7f12da1a8b529f96da8c1
Markdown31a40ca4399306c91403cf47546fe146ef7acb99cafd97332abad301216e4a00
PDF
Publication pagef6019f6868b36d1bbc7d23c4338492cf899c3bb3ebbffc0bee0c3bc03018b8a8
Manifested880c865161970d3359a529f396e00c500f68a8a38efddffc07adaae36a2b21

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
SignatureBYr4sbu4GqlRhebdshMqaqL+/hlXt+OtX/zqkfi7uryLLCODJ7lbx9/y3w/lud2ooXzLeNC0jdf9PzDmZlK7CA==
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

2026-09-17T10:11:32.801273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076201
observed f6019f6868b36d1bbc7d23c4338492cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.780227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076201/manifest.json
observed ed880c865161970d3359a529f396e00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.762782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076201/publication.md
observed 31a40ca4399306c91403cf47546fe146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.744002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076201/publication.txt
observed 348342479e863ce127aec8ee0fad4043...
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.