OpenTechnical

OT-2026-000075771

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000075771) never changes.

Identity and time

Publication numberOT-2026-000075771 · never reused
Internal UUID01a0ae94-29fe-7dfc-836c-57ce8f400a8d · 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-2026-000075771
StatusPUBLIC

Content hashes

Canonical text924a4cf8ad8980e4afce607b69eef2d0c5f63684b0e2678671354f9faefcc729
Markdowncd94ba6487c92cb87c0be43b7a553773e169811bd4f92db0ecf0ac204c803b3e
PDF
Publication pagee58e0f5df58a1166ca61a90c9029380da7e1173368dbe62f388ca77b332b46a9
Manifest768e95e7eeee6cdeab7adb7b8f8bcc7489191b7e1e4c7ef429f03ba7f8e30eb9

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
SignatureF3U5gUK3pOl9sOvIdfYVOB9rU+l8mLVLuhmjM7mmCpAPiDtnDcb/hc1VjEB+BddRv969dRu0yiMcQy1Yh88PAg==
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

2026-09-17T10:14:10.790216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075771
observed e58e0f5df58a1166ca61a90c9029380d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:10.773985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075771/manifest.json
observed 768e95e7eeee6cdeab7adb7b8f8bcc74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:10.757668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075771/publication.md
observed cd94ba6487c92cb87c0be43b7a553773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:10.741401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075771/publication.txt
observed 924a4cf8ad8980e4afce607b69eef2d0...
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.