OpenTechnical

OT-2026-000084089

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084089) never changes.

Identity and time

Publication numberOT-2026-000084089 · never reused
Internal UUID01a0ae98-5b5e-7554-b2a3-60bfea035659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084089
StatusPUBLIC

Content hashes

Canonical textd7d8be37692e1f8cbab9b7fa992c14902b656b7b11d2749d5263f25cc8995474
Markdown45afe363bb828095801e0d678933c3d17d0df2e3676050a5066dd628925f2650
PDF
Publication page2c19318ad1f090307d7b3c01049dd87f81b855f1978c6c626e8c9e1b6984d4df
Manifest2bcfb8f2de7faa932cd09fd32109c4cc494d12c89641a88c02bb1c1939a381f1

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
SignatureRIBBxQKOVrJEtQ+HGj4L5y59qwBywPfhnnr0VEjQ1HKLSnkSPClOG4v4U7cRzzFWodACZH6yH+AHKEywCQiSCg==
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

2026-09-17T09:55:50.150470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084089
observed 2c19318ad1f090307d7b3c01049dd87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.131349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084089/manifest.json
observed 2bcfb8f2de7faa932cd09fd32109c4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.113815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084089/publication.md
observed 45afe363bb828095801e0d678933c3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.095787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084089/publication.txt
observed d7d8be37692e1f8cbab9b7fa992c1490...
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.