OpenTechnical

OT-2026-000095441

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095441) never changes.

Identity and time

Publication numberOT-2026-000095441 · never reused
Internal UUID01a0ae9f-8f73-7bab-a293-6b807b55b0e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095441
StatusPUBLIC

Content hashes

Canonical text8b8c17f68c9dab7ed03287602b042585a6cb49f1bd09853884e5a6b66e91e570
Markdownd6aa6fef769d4d85539b0828e57007aa8133e70afe3f40e7226805ac4a6daf4a
PDF
Publication page232a3ee4be925f4f3f7489b2dbc22732f113f46a870d5dbdbf2a819b6a94e43a
Manifest0fc4875b62302eea5332bee566b98800b43ea7ac804f74cae08611eb13cb46c0

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
Signature+w8esAkDyd++756HrdHp3Mq7tvfpSujiR7HkUa2WCR4T3t4cZjRebnCsCaKC1qhyWMTW4Sd69LOQRPYznwIWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:48.901769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095441
observed 232a3ee4be925f4f3f7489b2dbc22732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.885528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095441/manifest.json
observed 0fc4875b62302eea5332bee566b98800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.868704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095441/publication.md
observed d6aa6fef769d4d85539b0828e57007aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.851905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095441/publication.txt
observed 8b8c17f68c9dab7ed03287602b042585...
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.