OpenTechnical

OT-2026-000099630

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000099630) never changes.

Identity and time

Publication numberOT-2026-000099630 · never reused
Internal UUID01a0aea2-c976-7f39-86e0-c87080eb1bee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099630
StatusPUBLIC

Content hashes

Canonical text47efaa2e3153562467c84c0f88e76c68cb62366d6b09c2e35c4ba30c4da97708
Markdownd4581b71a31db56631c592d135da312d5d47b326cdd853c16c1d95692c4184e8
PDF
Publication pagee5bac2eb0ca8344df3a9517985892881a5784cc772ab167566a0e65d97e7856e
Manifestb16aec8ec2b5e1905bf47fdaa5040209ecd53d3305b8263f2a23b5bb2cfd9c36

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
SignaturefxIYT+vqMg3RO7TCnQsyXzVfOVj4+PErSvq3dGHEZcyzXfb57EHd92pIxDPQf2CDXUyGrsYjSR5wqq7JriYeAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:33.950292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099630
observed e5bac2eb0ca8344df3a9517985892881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.932730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099630/manifest.json
observed b16aec8ec2b5e1905bf47fdaa5040209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.915382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099630/publication.md
observed d4581b71a31db56631c592d135da312d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.896566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099630/publication.txt
observed 47efaa2e3153562467c84c0f88e76c68...
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.