OpenTechnical

OT-2026-000067684

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000067684) never changes.

Identity and time

Publication numberOT-2026-000067684 · never reused
Internal UUID01a0ae8f-6bdb-7310-b4f5-59a6a42438c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067684
StatusPUBLIC

Content hashes

Canonical text5e0e9c8cc91b058615b8380d2e9d23f72baef5188d9da84191bc20c251b161d1
Markdown4f19a54ae53b9b75b5e9c628ceed463b0c0eec0be32e9e0be97ae13d9882fd0e
PDF
Publication page4ddd255b41528cf529bdcc2c34ee782e9c657897489ce78309fb6379f806c976
Manifestbeaabea860c5afe233ee1341a90ca84722ccfd1064174826b2cb7eefba0118a8

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
SignatureOdxDXdybiH7FrqMQtQXGG9UqXz3HQdoXI4pQ4vwOT0dfmvC+/9woDiWiZeZ4ARVYWAHBLPvBRSu73o1GmuRnAA==
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

2026-09-17T10:32:01.369536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067684
observed 4ddd255b41528cf529bdcc2c34ee782e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.352220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067684/manifest.json
observed beaabea860c5afe233ee1341a90ca847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.333778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067684/publication.md
observed 4f19a54ae53b9b75b5e9c628ceed463b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.316337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067684/publication.txt
observed 5e0e9c8cc91b058615b8380d2e9d23f7...
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.