OpenTechnical

OT-2026-000083787

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083787) never changes.

Identity and time

Publication numberOT-2026-000083787 · never reused
Internal UUID01a0ae98-0417-7351-8059-292db317b6fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083787
StatusPUBLIC

Content hashes

Canonical text35dddee33287f26364c76ecd955491b36d148fd65b7d42dc398650ba2dfecd59
Markdown69ef44d2d4502acb8d2b917bd6645b23ca941a6b624df2c04c5e5d7f0004a71d
PDF
Publication pagefb40ab5a97beedd0e98d26fc3136736886d77b09af6d06a2c584683f00b112c3
Manifest2428428ab2273f1fd21ea668fef945db7834e6c335dd0e74b63d09242b516f1d

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
SignatureeGMrLE69NKo+cEwSuGYDN0hbKb61i07++JuVGd35n+iY26857qOX/udOs1a7vzyfNHjscPolOfuH6CCGWakqCg==
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

2026-09-17T09:57:25.932461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083787
observed fb40ab5a97beedd0e98d26fc31367368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.915373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083787/manifest.json
observed 2428428ab2273f1fd21ea668fef945db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.897528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083787/publication.md
observed 69ef44d2d4502acb8d2b917bd6645b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.880482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083787/publication.txt
observed 35dddee33287f26364c76ecd955491b3...
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.