OpenTechnical

OT-2026-000089104

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000089104) never changes.

Identity and time

Publication numberOT-2026-000089104 · never reused
Internal UUID01a0ae9b-daff-7d7d-90ff-f1cf07b81c85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089104
StatusPUBLIC

Content hashes

Canonical text33ed424690e19560c17623cd867965c575220638abd0482c9a20a2f4cb3e7860
Markdown6e1e1ac1751a9c13fedcdd1124edfb34f704e87a911fb012df5e10c7b6f39c2c
PDF
Publication page6ba81f830bb731118ad1e10d1e35f4146aec61eec8815cfdbcfc20d71a1db930
Manifestceb5bd3b081287e27ac46a09a9e87cb4652e07e243a625c147c10ae4ca426195

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
Signature/XGaw2EwmEf3Nyzez967GCxFNJKoH1i17eD8LmzbsnZ733g7S2slJ5wZO1UpCgGKtht7nU9jLdfTb+q15NuQAA==
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

2026-09-17T09:47:00.788933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089104
observed 6ba81f830bb731118ad1e10d1e35f414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.773164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089104/manifest.json
observed ceb5bd3b081287e27ac46a09a9e87cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.755516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089104/publication.md
observed 6e1e1ac1751a9c13fedcdd1124edfb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.739139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089104/publication.txt
observed 33ed424690e19560c17623cd867965c5...
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.