OpenTechnical

OT-2026-000079873

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000079873) never changes.

Identity and time

Publication numberOT-2026-000079873 · never reused
Internal UUID01a0ae96-4376-7b4e-b0c5-e1b0f01cd6f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079873
StatusPUBLIC

Content hashes

Canonical textd9dd2833dc247dd0a130c6280019db340b07f25ee11d3d400fc7895b3a75cfa6
Markdown3ed5895b02a37e1761e3f2d3eb2df056f271a7924f792166a8d5f19a3682dc52
PDF
Publication page36bae824f3840a18c24887f323b5566ca1839acb02b0969c7e41815b59a8bb41
Manifest92463ca9a863da16aef4231689dbdef939a85930f9da3cd8366ad1482fee0af8

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
Signaturekl0PYhPNWGKcA0igRvkKZLnT1v+xH8SdOL56dpVsHzhGLafuHp+Fjb5U1ma/62v/dZeGSgqwD8aNCKh7dWVODw==
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

2026-09-17T10:03:45.887541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079873
observed 36bae824f3840a18c24887f323b5566c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.869568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079873/manifest.json
observed 92463ca9a863da16aef4231689dbdef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.850839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079873/publication.md
observed 3ed5895b02a37e1761e3f2d3eb2df056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.832155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079873/publication.txt
observed d9dd2833dc247dd0a130c6280019db34...
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.