OpenTechnical

OT-2026-000086285

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000086285) never changes.

Identity and time

Publication numberOT-2026-000086285 · never reused
Internal UUID01a0ae9a-2c95-7a08-bf70-4aed87868f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086285
StatusPUBLIC

Content hashes

Canonical text3bea019cc327587e857520a0f48184e00987987d6f1d21edc3d71913cddda978
Markdown2114489e5cac17f08932d0fbb3fdbdc9281325e4481880050ab28e63e44f98ac
PDF
Publication pagee7a583b48fca05db427efc416586d18bf79ab1ea3a0404071fc4f9cbe1fa3960
Manifest8271bb0ae57a2b40e096e66576c17ceaf67b1409a3a8e9be5fcba961d5f6dc2d

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
SignatureueIcG+G5JbYeU7iKnf47X14ohcBK9Hx9eZ5QeiKY1aaZKzELbZm9RtW8uPedmQn2ASDm9ThGyhZ4P34WmGzGAw==
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

2026-09-17T09:51:57.588214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086285
observed e7a583b48fca05db427efc416586d18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.569492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086285/manifest.json
observed 8271bb0ae57a2b40e096e66576c17cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.551937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086285/publication.md
observed 2114489e5cac17f08932d0fbb3fdbdc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.533467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086285/publication.txt
observed 3bea019cc327587e857520a0f48184e0...
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.