OpenTechnical

OT-2026-000040973

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000040973) never changes.

Identity and time

Publication numberOT-2026-000040973 · never reused
Internal UUID01a0ae79-6d11-71b6-8a5a-46e27af716ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040973
StatusPUBLIC

Content hashes

Canonical textded69cc691b90c3f63c173e2804055078f43a7fc7f42479d148016377d0bfd7f
Markdownfcd44586d4def1c991c3be056b7adecdcacc7eb805f392c80f48f1b03faa906a
PDF
Publication pagebaf53bb306d969b9813329f4b886971def583c873629a3ed66dc4a5f4bb30b69
Manifest29b033a02c9d883ebf3aed757c94173da2e0cd101053564322caaa296ed10a87

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
Signaturepu6G/GGA6prv7bx+2pGDg8G0A5CPaM/YB6oo+bjmi9z13QPfpfS0mCwq+0GtOAStaalSR9JBvQcuV0MIy4L4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:22.697095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973
observed baf53bb306d969b9813329f4b886971d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.680193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973/manifest.json
observed 29b033a02c9d883ebf3aed757c94173d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.665265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973/publication.md
observed fcd44586d4def1c991c3be056b7adecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.645836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973/publication.txt
observed ded69cc691b90c3f63c173e280405507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.410491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973
observed baf53bb306d969b9813329f4b886971d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.391393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973/manifest.json
observed 29b033a02c9d883ebf3aed757c94173d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.371993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973/publication.md
observed fcd44586d4def1c991c3be056b7adecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.354967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040973/publication.txt
observed ded69cc691b90c3f63c173e280405507...
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.