OpenTechnical

OT-2026-000081943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000081943) never changes.

Identity and time

Publication numberOT-2026-000081943 · never reused
Internal UUID01a0ae97-0f76-777c-b0ff-4614d61c3a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081943
StatusPUBLIC

Content hashes

Canonical text49628a39e4e8f37cfc1c73b821615157d1ea2806bb86bbc039614b21dd9507e4
Markdowne6ce2200cdf5c370da2f7a3ce6afea5a157f0d9ca3d0c74388cbad39b7874821
PDF
Publication pageeb4368f8930c6c4cd379505fc57581557bc1cce9763e31e9c6f4a1fd5db0794b
Manifest11faf0319083b3a171c77686c98b325cec9e9e63f4a2a7f97020645195672b4d

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
SignatureVgmwlUNPg9Gtujfw17B95LXnh4VwTr5c0ca5xVsKhueOFFoddqToLibzmAe8hU2PBmREL+Ut36SQsfymYcDRBg==
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

2026-09-17T10:01:04.609646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081943
observed eb4368f8930c6c4cd379505fc5758155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.593181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081943/manifest.json
observed 11faf0319083b3a171c77686c98b325c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.576094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081943/publication.md
observed e6ce2200cdf5c370da2f7a3ce6afea5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.558801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081943/publication.txt
observed 49628a39e4e8f37cfc1c73b821615157...
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.