OpenTechnical

OT-2026-000085604

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000085604) never changes.

Identity and time

Publication numberOT-2026-000085604 · never reused
Internal UUID01a0ae99-aaad-7f84-8ee9-38d0f65c9c56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085604
StatusPUBLIC

Content hashes

Canonical textefcf5773f694daf2d177c14ddac3b38ec1be3fe0aa019d456582006abd7b1b9d
Markdownda034bba400265d49f66059483503bdad829189fa7889578c86c9f27fe94df01
PDF
Publication pagea090d33a38d7f7da58a71bc9aed22401b51eac8e8f2e2edf44aab0b60c42649e
Manifestf07290ab4ef0cf3dfd2d35aa5eba3c1fffe6be222f9974b279e5321039c8a175

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
SignatureOwKGe+0lQVxwKWjrS4LfZhPApfJkx+aYH7O9IJMiG8dX1T2DBO9vLtzZWOB9uKCJ/6rxjUZi+YFMhOs2hJZnAQ==
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

2026-09-17T09:54:28.920029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085604
observed a090d33a38d7f7da58a71bc9aed22401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.900728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085604/manifest.json
observed f07290ab4ef0cf3dfd2d35aa5eba3c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.883122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085604/publication.md
observed da034bba400265d49f66059483503bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.867159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085604/publication.txt
observed efcf5773f694daf2d177c14ddac3b38e...
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.