OpenTechnical

OT-2026-000075637

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075637) never changes.

Identity and time

Publication numberOT-2026-000075637 · never reused
Internal UUID01a0ae94-29fd-79fc-a02f-e0e2ce820dfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075637
StatusPUBLIC

Content hashes

Canonical texte8f090b24957daf0b9487eccccf6a1605e710161e0754991f964e53b9917f286
Markdownf43384dfcfc61c36073543c4ff61fd56c7f3b54061d7e2cd3ff1ae5466226e33
PDF
Publication pagee98c50668ec974ec82c0dd8b909fd454978da6bca5f25436ec1eb185807afa94
Manifest024c6e8b1802a5c8286bda8e1bcba712ff753f6e8313d81310b2f4271e0ba441

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
SignatureUGktZTM0vX8w4c5nryutH7HWeg1k7MP+iXzEam7HqKx1pYFd+58X7GeP4HH//tU7S4vXKr2N40GHwFj2Jft7AA==
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

2026-09-17T10:13:33.442527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075637
observed e98c50668ec974ec82c0dd8b909fd454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:33.274331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075637/manifest.json
observed 024c6e8b1802a5c8286bda8e1bcba712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:33.229397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075637/publication.md
observed f43384dfcfc61c36073543c4ff61fd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:32.796527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075637/publication.txt
observed e8f090b24957daf0b9487eccccf6a160...
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.