OpenTechnical

OT-2026-000064081

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000064081) never changes.

Identity and time

Publication numberOT-2026-000064081 · never reused
Internal UUID01a0ae8d-53be-7940-a125-a7e32df5b775 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064081
StatusPUBLIC

Content hashes

Canonical textbf2a19d8bb3d24372f02bf289528776f34f8195933b048fb2b8e85ee96092bde
Markdown753ec94b6f2a120bd34a27099119fb5cee45b179f1929431d4af184f786df076
PDF
Publication page781e920557bab358a9372c31247e80c09ae8104f73af94a23617dce0bc57a2cf
Manifest3ea75f3ed96953c461f249b813860b23d43922a741468b8d248c06c7b8f27326

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
SignatureYFfYowXjIfQ9hA3rFMDYfx4PbEoTHvISzdRqiQWeRtzY3b2TthE0WxrFnBcP14YM3lzusqznz5NVJxS0tUS/DQ==
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

2026-09-17T10:37:11.164320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064081
observed 781e920557bab358a9372c31247e80c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.145791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064081/manifest.json
observed 3ea75f3ed96953c461f249b813860b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.128865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064081/publication.md
observed 753ec94b6f2a120bd34a27099119fb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.108866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064081/publication.txt
observed bf2a19d8bb3d24372f02bf289528776f...
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.