OpenTechnical

OT-2026-000067775

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000067775) never changes.

Identity and time

Publication numberOT-2026-000067775 · never reused
Internal UUID01a0ae8f-c4fa-7cb5-a2ba-f095220a14a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067775
StatusPUBLIC

Content hashes

Canonical text54c6427a26ec127b516b88aa8de5c5aead4f7b7f05c0b612c5ea7397f09d23ae
Markdownd2fd66ed5f49b8c0d2b359af36fbe3956b11b39d3cea6bbafb499b6e55352edd
PDF
Publication page2033559f5fac62dcd224494e45df3153c0817a4bd99a3e3ca7d31921981f53da
Manifest4c42f3ac12b21627cdaf8287b94491983324997deeda161dde0739f73befb603

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
SignaturelBZcXTaL78HVQziV07LK7NQFHjd/OvS2eUQbdI9pZvHBRvuKKJ/HP0qMDhCxS+rr58F1/pipLsTvoml1UNb0BA==
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

2026-09-17T10:30:00.373294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067775
observed 2033559f5fac62dcd224494e45df3153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.354947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067775/manifest.json
observed 4c42f3ac12b21627cdaf8287b9449198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.337415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067775/publication.md
observed d2fd66ed5f49b8c0d2b359af36fbe395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.318529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067775/publication.txt
observed 54c6427a26ec127b516b88aa8de5c5ae...
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.