OpenTechnical

OT-2026-000065683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000065683) never changes.

Identity and time

Publication numberOT-2026-000065683 · never reused
Internal UUID01a0ae8e-46fa-7066-a3a3-2188a0468430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065683
StatusPUBLIC

Content hashes

Canonical text17d603c2df230058b7d228cfd6ff690ce590812114f129539e64fd56c1cafa75
Markdownc71bcf9682c8405b2757d9ec00a400b9f2949a6b092443fccb1fdce24d359706
PDF
Publication pagea58ecee67c737129ed914d23049ee77cd7cad1226d5bc7a0e2479d28dc845240
Manifest79a1daf0cb856fb3b901cb02db06a7984fc588c236823bb511b681bfb1a6ce27

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
SignaturerrKx5Mp2ZXbOD/+NioUpV2vhTqAU6IKmmbezT6DTvqRj1NtFi1UWRy5QSXHeACqWdcXAxOiGxYm0x7q4zgFXDg==
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

2026-09-17T10:34:05.656170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065683
observed a58ecee67c737129ed914d23049ee77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:05.639032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065683/manifest.json
observed 79a1daf0cb856fb3b901cb02db06a798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:05.620902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065683/publication.md
observed c71bcf9682c8405b2757d9ec00a400b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:05.603116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065683/publication.txt
observed 17d603c2df230058b7d228cfd6ff690c...
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.