OpenTechnical

OT-2026-000075783

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000075783) never changes.

Identity and time

Publication numberOT-2026-000075783 · never reused
Internal UUID01a0ae94-29fe-7aec-8f73-eadf0af89264 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075783
StatusPUBLIC

Content hashes

Canonical text5bc55d21c1f425e8db6a9fae255c0ee33e40b50e3d4746bd048d818de36b9047
Markdown8b2ec8180999bb215c5115a365b5948a68314953d658e1a70b924a0abe4a0b70
PDF
Publication page6da8ebd6feeb145860916341a3e756451fd6ca8bb031f6ce26d2d00667ddc60d
Manifest653c81320baa64846775ce6c68caac51ae5e62462d1fed4cc1ba0b2bb60a95bc

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
Signature0KWFjPEINi5GaUDGEJRNcmnmVGE+P8bKs/1Tb+KJ/5U6b1oh7vzA8mpATMhcmUudglpdjLglyWjDtzEfmwFIBg==
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

2026-09-17T10:14:13.287370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075783
observed 6da8ebd6feeb145860916341a3e75645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:13.269578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075783/manifest.json
observed 653c81320baa64846775ce6c68caac51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:13.250357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075783/publication.md
observed 8b2ec8180999bb215c5115a365b5948a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:13.232061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075783/publication.txt
observed 5bc55d21c1f425e8db6a9fae255c0ee3...
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.