OpenTechnical

OT-2026-000069559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000069559) never changes.

Identity and time

Publication numberOT-2026-000069559 · never reused
Internal UUID01a0ae90-b52b-7537-93a4-05f2c3af440d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069559
StatusPUBLIC

Content hashes

Canonical textffa79815fcb6208ef571682b60b7df5887128f2da3c64fe6bea73510ec524b38
Markdownfc8dc8e38187008c753043f5cf3a77e785c3f2a96a4d397b1246c3f01eb9120a
PDF
Publication page204e0181a83c97c1f846f784f41910e359d5a78362746040d362d17618baa86e
Manifestfce0c38a226fde8da4c01a49be692975cf1c228b4a83b5372b4f582e1cb52214

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
SignatureTXlvlZbJbw/aXxFib5sezBp5cR0x29x9OcF6HxCfi4cF5pexzm5Nign2rRDNfCXxFPDO0/m2A/cwbSiSzT9dCg==
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

2026-09-17T10:30:40.603130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559
observed 204e0181a83c97c1f846f784f41910e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.581421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559/manifest.json
observed fce0c38a226fde8da4c01a49be692975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.559770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559/publication.md
observed fc8dc8e38187008c753043f5cf3a77e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.539843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559/publication.txt
observed ffa79815fcb6208ef571682b60b7df58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.663337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559
observed 204e0181a83c97c1f846f784f41910e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.644821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559/manifest.json
observed fce0c38a226fde8da4c01a49be692975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.627832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559/publication.md
observed fc8dc8e38187008c753043f5cf3a77e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.609995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069559/publication.txt
observed ffa79815fcb6208ef571682b60b7df58...
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.