OpenTechnical

OT-2026-000064091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000064091) never changes.

Identity and time

Publication numberOT-2026-000064091 · never reused
Internal UUID01a0ae8d-a45f-7646-9f83-2c08eef0651f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064091
StatusPUBLIC

Content hashes

Canonical textc5c5e5217f96bb5e0cc0aca2ecbe119a67d9b2a0160d569fd417100f2c94f0dc
Markdown68c7ccc0b0c9f8a122abd19f11f690c747b99d3af89abed090ca288d709b8f62
PDF
Publication page2ee83820b132d811c478a4a2a0c0ad349f4ffcdbff02180eca2f141f5e862d24
Manifest8762fcf3536fd487656c3408d092154db8b907e8dbdf27d7622f8e20211aba68

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
SignatureTfKGW8dJZHCS5kLJkhqYUYx793wyiTFPUKtnnaK0AgZhRqKjBSawCfhhapxS8Hwtv7IGVWEJGpIEoxgQHXN1Bw==
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

2026-09-17T10:36:04.749052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064091
observed 2ee83820b132d811c478a4a2a0c0ad34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:04.731277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064091/manifest.json
observed 8762fcf3536fd487656c3408d092154d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:04.713962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064091/publication.md
observed 68c7ccc0b0c9f8a122abd19f11f690c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:04.693892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064091/publication.txt
observed c5c5e5217f96bb5e0cc0aca2ecbe119a...
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.