OpenTechnical

OT-2026-000084085

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000084085) never changes.

Identity and time

Publication numberOT-2026-000084085 · never reused
Internal UUID01a0ae98-5b5e-7373-a1cd-3551056fd9c2 · 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-2026-000084085
StatusPUBLIC

Content hashes

Canonical texte50dac494942c31eb88c4faf468af7360a5012e77904572e952ff02b56d81e5e
Markdownaacdd7c002ba065574d761f1c83d874c30bb307357c13a558b6bd7ad5edbf8c2
PDF
Publication page958cee0cc974ad8ece18e0a4dac6e431b2d075915f9c6027fc2bea70b79f5b57
Manifest66db67c0d56229cb5404f76a3a247c720254b1e5f5b1309a881d5063b98b39e8

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
SignaturexHm+Exb19qqXUdOdDnG2RUvtA28NCUHaExqH4X/OJOGeVdhU/zLuhjCMWZich2CYsoBq8UL9brgwCXf9lb3PCg==
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

2026-09-17T09:55:49.842657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084085
observed 958cee0cc974ad8ece18e0a4dac6e431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.821791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084085/manifest.json
observed 66db67c0d56229cb5404f76a3a247c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.803648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084085/publication.md
observed aacdd7c002ba065574d761f1c83d874c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.785922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084085/publication.txt
observed e50dac494942c31eb88c4faf468af736...
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.