OpenTechnical

OT-2026-000083235

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000083235) never changes.

Identity and time

Publication numberOT-2026-000083235 · never reused
Internal UUID01a0ae97-c963-7bd5-b7c0-3f1dfdc11b27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083235
StatusPUBLIC

Content hashes

Canonical text60f8ae3549cdce1975217a98b081c771485e935837633f35a13a07d02333cf67
Markdown8f5edcd3d6a4fa84fef98ca5d8199a687656efd076782501995d6d52d54b8b7d
PDF
Publication pagef034392d40f5c3d28e715d7afa2446fd6b7aa48e0ca880bdd019aa0235a38b13
Manifest2daa6e4f662075c55faabee48274e69b0935bbd81aaaf6adcd23a5d2d3dc7937

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
Signature7LGrzSGmT8axfsP9I23/XCzXh2UhNMhsKrfMA2vHxEaQxixCwhkcb8DaUmTQ3r9EOqc+B4ZpADMdKcyLv0tVCw==
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

2026-09-17T09:01:11.911616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083235
observed f034392d40f5c3d28e715d7afa2446fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:11.894993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083235/manifest.json
observed 2daa6e4f662075c55faabee48274e69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:11.878015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083235/publication.md
observed 8f5edcd3d6a4fa84fef98ca5d8199a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:11.858088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083235/publication.txt
observed 60f8ae3549cdce1975217a98b081c771...
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.