OpenTechnical

OT-2026-000065203

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000065203) never changes.

Identity and time

Publication numberOT-2026-000065203 · never reused
Internal UUID01a0ae8e-1df9-75e1-8205-5a6aad7c1e0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065203
StatusPUBLIC

Content hashes

Canonical textb074667e55bffaa65ec2a0086ec9eaba9a3782a7068ff2dee5e55a6c3456c228
Markdownb3899565dcfa31c46443f2dccb58a8236be6f16dd13fc42cd34b375a59334d32
PDF
Publication page9adcae6cb99ed2474ce76ff714aa3c130cd2b37b569329a12db9a14ba1a9a3be
Manifestbf470208fddf5d7304c490ad5534be9def41cb3cc09f01a7af6cdb7d35bae9f6

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
SignaturetHzc/bpkLuro3iuf7MpFWv2L/P3i23PbbQ/9jISHEhUj5p64lEbuq938Cyw9qItEzquioirtDj5AEclKY9G6Ag==
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

2026-09-17T10:35:03.179950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065203
observed 9adcae6cb99ed2474ce76ff714aa3c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:03.163238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065203/manifest.json
observed bf470208fddf5d7304c490ad5534be9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:03.146125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065203/publication.md
observed b3899565dcfa31c46443f2dccb58a823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:03.129674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065203/publication.txt
observed b074667e55bffaa65ec2a0086ec9eaba...
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.