OpenTechnical

OT-2026-000095105

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095105) never changes.

Identity and time

Publication numberOT-2026-000095105 · never reused
Internal UUID01a0ae9f-2df1-702a-af33-deba51d8d910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095105
StatusPUBLIC

Content hashes

Canonical text2c1d5cf631a9747bcd8425815bc075470a83fb604a2ee61c5361eec076121015
Markdown75693da2e139819d3ec70971d02aad854c3481451aec51388c3830b1cb9c1d84
PDF
Publication pagea46307cadb5050ac3cec2a122fb9910307333177f1b49c497a5011bde87b9df0
Manifestcab72ef9dbf0de440f578e8055e4dcfeeb18b99a66dfaf99441b79c94b10d383

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
Signatureschb7XNCbs7SFlmGtfWVqPIL3pQJ90Gw/2r3Rjg3cjETpDF49hWKG2c+o5aH65yy6HNUOs0NtfC54u+PwrkeCw==
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

2026-09-17T09:37:42.976094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095105
observed a46307cadb5050ac3cec2a122fb99103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.957773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095105/manifest.json
observed cab72ef9dbf0de440f578e8055e4dcfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.938908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095105/publication.md
observed 75693da2e139819d3ec70971d02aad85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.922319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095105/publication.txt
observed 2c1d5cf631a9747bcd8425815bc07547...
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.