OpenTechnical

OT-2026-000092236

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000092236) never changes.

Identity and time

Publication numberOT-2026-000092236 · never reused
Internal UUID01a0ae9d-875a-7483-8522-1b9d93e9c14a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092236
StatusPUBLIC

Content hashes

Canonical textc16ec4170fa9918bf1cd6ae764ff563ff073fe15445164470bcaf113e827d235
Markdowne06d6475cbef8954c4d8794736f55f9bb126d1f25ed223ded66323f6a1dc72a0
PDF
Publication page79c601c1d4972b1f9d2fa70731c6f0c7ad40250605e28f2b72256256a10f5000
Manifest7c29ce37f64a2a794df382cde8b4700558b9627d77a99472559d6a3387776e34

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
Signature/ByYpztAqVT0XdQnoWXlEHob9VvXFDBjIei+for+Rye9MFsfQGIzi0fidjqoQnvpy0kDvGOG/Xx81Gi/o/ReCg==
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

2026-09-17T09:41:45.353375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092236
observed 79c601c1d4972b1f9d2fa70731c6f0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.336308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092236/manifest.json
observed 7c29ce37f64a2a794df382cde8b47005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.315334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092236/publication.md
observed e06d6475cbef8954c4d8794736f55f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.298210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092236/publication.txt
observed c16ec4170fa9918bf1cd6ae764ff563f...
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.