OpenTechnical

OT-2026-000092473

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000092473) never changes.

Identity and time

Publication numberOT-2026-000092473 · never reused
Internal UUID01a0ae9d-b5fc-7f08-adf9-00faee8d6ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092473
StatusPUBLIC

Content hashes

Canonical text7c2aa12d60fe2c47839f312ef84198e935edc689d82f313e8fb6999c30d04bcd
Markdown53386ac303bc952f976d5b3602c8a5b511f23a7344b5c692e7006a078a163335
PDF
Publication page71ccf8616879bfdbb3464ed065367702d0efac624b2bb10c24f10665adfbf276
Manifest81594b436b7f909202d2d984ce04488010e8e95e000c53205b6e6c7ae5e1c7a0

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
Signature3QWMgMCqIpsYcaQtl2RJEkRJryZDPW2XyTgxEZOCW5ZAAq6+fPVgOgd+JWqDHqfa1ti7b0GDGXBrBo4OA9UMAw==
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

2026-09-17T09:41:02.323483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092473
observed 71ccf8616879bfdbb3464ed065367702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:02.306733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092473/manifest.json
observed 81594b436b7f909202d2d984ce044880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:02.288722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092473/publication.md
observed 53386ac303bc952f976d5b3602c8a5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:02.271759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092473/publication.txt
observed 7c2aa12d60fe2c47839f312ef84198e9...
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.