OpenTechnical

OT-2026-000064303

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000064303) never changes.

Identity and time

Publication numberOT-2026-000064303 · never reused
Internal UUID01a0ae8d-a460-752b-8f79-3655c652d18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064303
StatusPUBLIC

Content hashes

Canonical text0745e0e7f7e46e27e7728c8b14d48acd855e5c47c2497a942797cd4baae19ff5
Markdown31c91d9c08b5e811d9109db37e696b49c85badafc8fc1cc43191e3c707a32e17
PDF
Publication page0f6da3aa6734dbc9412e2d9faf4f78a435034007ec91aee7f502b31947333a0f
Manifest274b09b9ccc01c0a42c0d4f5d2f9531ef554f368a763a27801b8d480bf64cd57

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
SignatureU/O6bgkgk0Xn+w+pGgC+XRjv2Wj8+ih2lra60dOC8SswEjyibLecev0vQyUq/8T1R15Od+IB31McdlccmaMoBQ==
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

2026-09-17T10:36:27.048409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064303
observed 0f6da3aa6734dbc9412e2d9faf4f78a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.027849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064303/manifest.json
observed 274b09b9ccc01c0a42c0d4f5d2f9531e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.007294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064303/publication.md
observed 31c91d9c08b5e811d9109db37e696b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.985910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064303/publication.txt
observed 0745e0e7f7e46e27e7728c8b14d48acd...
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.