OpenTechnical

OT-2026-000081166

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000081166) never changes.

Identity and time

Publication numberOT-2026-000081166 · never reused
Internal UUID01a0ae96-f373-77a4-ae4e-3bf5b2cea541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081166
StatusPUBLIC

Content hashes

Canonical text386c3b5a3e3de7e5a44ca554dcac22816ec96dc9262b7c343a8cd28d28a37a41
Markdowneb44b8d8f406df2151b33eabfe7807089f4ac4d228f79e95afc0aa6989784d24
PDF
Publication pageb208cff90943ca8536fb12d1d2554aa42a43af965a1648c46b00d03a0909bc98
Manifestbebfdcd21c47fa980d731b5fee1b1db3a0355b49ec261d83509b638df272c4cf

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
SignatureJSDd0kE7kLbRAbrfbxDMC/YHCMEAgpLosnhr+b9dzTzW2zAXZ3fwljhbvvf4dmxRnbjJeMrNh7V71As3JAOtDw==
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

2026-09-17T10:01:08.384194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081166
observed b208cff90943ca8536fb12d1d2554aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:08.366829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081166/manifest.json
observed bebfdcd21c47fa980d731b5fee1b1db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:08.348857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081166/publication.md
observed eb44b8d8f406df2151b33eabfe780708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:08.331423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081166/publication.txt
observed 386c3b5a3e3de7e5a44ca554dcac2281...
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.