OpenTechnical

OT-2026-000007408

Publication integrity record

Bellows cup vacuum gripper, three zone face, three stage ejector, contact triggered, plastic cups

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-2026-000007408) never changes.

Identity and time

Publication numberOT-2026-000007408 · never reused
Internal UUID01a0a97d-bf7a-7ca0-89ef-c3ddc106d90f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:05.661413Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007408
StatusPUBLIC

Content hashes

Canonical textbfedf319ca61c6f6a8c498f0fe2bdfd8cddd380a4c5bf8af567fbc69afd836f4
Markdownbaab907fc5d32c77c3bd5f4cd3f339ace6d27211ccd537f8834a17864bcad093
PDF
Publication page933e8bb8f4f32b6ba3cf694e7fa7383214ddf6f44a24849480c79a34d64a340f
Manifeste33b307201f3a9a38963a35d14b09266ae5e11e07b540b05e0309c1e286d8e36

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
Signaturea9v94OI3dJeaX0/e32v4DzJaJzFHhhRLrcWDx3TjlMVVIkNepPp0/93qdT5yquidLD0UQJvXt/REt8DRz1WjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:07.042825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007408
observed 933e8bb8f4f32b6ba3cf694e7fa73832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.029418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007408/manifest.json
observed e33b307201f3a9a38963a35d14b09266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.015138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007408/publication.md
observed baab907fc5d32c77c3bd5f4cd3f339ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.002212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007408/publication.txt
observed bfedf319ca61c6f6a8c498f0fe2bdfd8...
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.