OpenTechnical

OT-2026-000086108

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000086108) never changes.

Identity and time

Publication numberOT-2026-000086108 · never reused
Internal UUID01a0ae99-e82b-7fe9-ba4f-4ec717912009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086108
StatusPUBLIC

Content hashes

Canonical texta15f77314373f7e35e191dc5fa88809e715204ab64e9e089ebb44fa61ddf3cf9
Markdown28c0d8f2c0f0ffc0106556c1e40029f9b8efd36795f6a2d2a6ed8f8e9e70ff3e
PDF
Publication page2ad781538248ed73ebbf17458c41702515a719aebd324b57b6e1141316b05bf5
Manifest4b0a7e3e6fd0e17de99725c67e767e94c4da257bd9e8b460caae8ee3f5616c13

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
SignaturePCj3YPjDae7LGSlFec672wrhJ6Y86i5Mv9NX4D6EBIYBndsYtnXK6UM5hZ7OnT7v2Ev8QpSrPoqV+qIHj8A8Dw==
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

2026-09-17T09:53:45.741740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086108
observed 2ad781538248ed73ebbf17458c417025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.725265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086108/manifest.json
observed 4b0a7e3e6fd0e17de99725c67e767e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.707358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086108/publication.md
observed 28c0d8f2c0f0ffc0106556c1e40029f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.690854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086108/publication.txt
observed a15f77314373f7e35e191dc5fa88809e...
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.