OpenTechnical

OT-2026-000085584

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000085584) never changes.

Identity and time

Publication numberOT-2026-000085584 · never reused
Internal UUID01a0ae99-aaac-78ac-96af-95362ae02a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085584
StatusPUBLIC

Content hashes

Canonical text7fd2a04998036e44e31e9dfed51e9fde916e86720a0288845d5341307b1ffe21
Markdownc48987cbf7827bb66ee4be03c6e960ca151913eb2fe5ce7cb4546bf88052c8f1
PDF
Publication page8522089c653e102178f8add4ecfce0534624d4856860b7ff00a256cdeb564535
Manifest4aad46951b5c6317e8806f46a3ec451b1b96034d03ed20cc4d48019af5588a08

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
SignatureSIJC3HioeelePa94vpqaGPMkYSlyTP9fXCBKxIpBywUtk7qaighy8Tt7T0i7PfrzJkUIfX8oW0da0A8ZYufGBg==
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

2026-09-17T09:54:27.332768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085584
observed 8522089c653e102178f8add4ecfce053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.315083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085584/manifest.json
observed 4aad46951b5c6317e8806f46a3ec451b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.296920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085584/publication.md
observed c48987cbf7827bb66ee4be03c6e960ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.278000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085584/publication.txt
observed 7fd2a04998036e44e31e9dfed51e9fde...
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.