OpenTechnical

OT-2026-000063971

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000063971) never changes.

Identity and time

Publication numberOT-2026-000063971 · never reused
Internal UUID01a0ae8d-53bc-7b4a-8be9-7e356502bb98 · 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-2026-000063971
StatusPUBLIC

Content hashes

Canonical text080072935fdfa948bd6f4b553d4613f6a9fcd58160a9d194afdfda820e406898
Markdown26a0bc9e1b20adb68c0c0b201bead66c393bfc27775b30c7b6d17ce34f17e2c9
PDF
Publication page59aaa771b1a6a0c005b2042aab4c94075a95682ceb3d0b93526d81a7d04d7c5d
Manifestfaa902b58d4d421120501917b2090092fe867ffb3274eb10d70cc5c8336ff566

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
SignatureOrWNComHqkxKAOJyzT1jBJxWHm5cfncRnGH+66jTeIYspxHln0tSjFkiE9WnXH7VGGZkEhcGKcA+I9PZq99SDA==
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

2026-09-17T10:37:02.248498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063971
observed 59aaa771b1a6a0c005b2042aab4c9407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.231223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063971/manifest.json
observed faa902b58d4d421120501917b2090092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.213032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063971/publication.md
observed 26a0bc9e1b20adb68c0c0b201bead66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.194405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063971/publication.txt
observed 080072935fdfa948bd6f4b553d4613f6...
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.