OpenTechnical

OT-2026-000023855

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000023855) never changes.

Identity and time

Publication numberOT-2026-000023855 · never reused
Internal UUID01a0ae70-aed6-75dd-b998-9327aff976c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023855
StatusPUBLIC

Content hashes

Canonical textf3b89a7fdcd9b718acb5e7a9871f46651fc2e75b92f22fb72b39fd7343bca061
Markdown62dda3b0ee40541c1e6c4ef2f292faf04295aea38bd12f90421a5e1e94b952e9
PDF
Publication page98a94a92ec3c1bb0ebf39365c6b39d9ed3ff0c82f4f1d569c44530a234cd5094
Manifest096c7e4988866e1dc76eac83317fcde72967acdf84776ca7c7ddf8ce7a00eeb7

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
SignatureF8ff6wqH7Ia9jQHkoTjoS0tKu92BHNx45ujb8Fcty3L0j/Qe37OXdO1vViGyGBPzv5KAC9WBxrE40p7o1/27Bg==
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

2026-09-17T11:50:21.178178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023855
observed 98a94a92ec3c1bb0ebf39365c6b39d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:21.157314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023855/manifest.json
observed 096c7e4988866e1dc76eac83317fcde7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:21.138991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023855/publication.md
observed 62dda3b0ee40541c1e6c4ef2f292faf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:21.114958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023855/publication.txt
observed f3b89a7fdcd9b718acb5e7a9871f4665...
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.