OpenTechnical

OT-2026-000091692

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091692) never changes.

Identity and time

Publication numberOT-2026-000091692 · never reused
Internal UUID01a0ae9d-43b8-738f-b382-2c02ea069dd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091692
StatusPUBLIC

Content hashes

Canonical textdd0072e735e3741a05fb300ec25123e5679356d67ebaed4346968ff501710b6a
Markdownbfe381232c6c373de507dc0eac38889e7dfe8f9c6fcec362bb17ad4896502ed7
PDF
Publication pageac8f96018ac543494d72012c30207247de4c9e6cdf273f81870e5a2d3f9e84e3
Manifest87a9cad3fcc13c2129cfb3ce7fff1d6167a2a78734c277566e5daa84b5b86f7f

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
Signaturev1TZ0YnS/0i/mOPvNkYUCqA3UDu5XxOvfErd7k4eQ6bFQSM6Jrz7dQYaECqt+LiK9t30J7S06Ct5LqntraIODw==
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

2026-09-17T09:42:04.560529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091692
observed ac8f96018ac543494d72012c30207247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.541223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091692/manifest.json
observed 87a9cad3fcc13c2129cfb3ce7fff1d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.523551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091692/publication.md
observed bfe381232c6c373de507dc0eac38889e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.504832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091692/publication.txt
observed dd0072e735e3741a05fb300ec25123e5...
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.