OpenTechnical

OT-2026-000083479

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000083479) never changes.

Identity and time

Publication numberOT-2026-000083479 · never reused
Internal UUID01a0ae97-c965-7449-98eb-ad3f32c96439 · 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-2026-000083479
StatusPUBLIC

Content hashes

Canonical text6349364bb817028ddf4b01a0cb9bead62fb4a6c9523342696d298be3e32c75e2
Markdown344576fcc1edb7928d4f634d83b8e1b8428827bcf283dabc14522e3f2b8a3c38
PDF
Publication page9e78e67fc9d6c99808c302d121beacccbe1cd677663c91e740e894843f4e6148
Manifest5ec315ef84140b449d3d263ca2861bb66a7158a27b912c86b4ef50a5026a496d

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
SignatureVlp1G4KvgYlxwJo1p+bGcVOrz1jGipx9zDtLp/P2h+tUALIrlCnXE+72NQtMyQ9+2IENcGM8ul8gY6FrBhWDAQ==
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

2026-09-17T09:57:54.126873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083479
observed 9e78e67fc9d6c99808c302d121beaccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.110542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083479/manifest.json
observed 5ec315ef84140b449d3d263ca2861bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.094258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083479/publication.md
observed 344576fcc1edb7928d4f634d83b8e1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.078796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083479/publication.txt
observed 6349364bb817028ddf4b01a0cb9bead6...
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.