OpenTechnical

OT-2026-000085679

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, sustained blow-off before set-down

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-2026-000085679) never changes.

Identity and time

Publication numberOT-2026-000085679 · never reused
Internal UUID01a0ae99-aaad-7da8-b145-f2a42d86d7b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085679
StatusPUBLIC

Content hashes

Canonical text2dec942931ef07e73245fdf99a9d93f741f26368b16b934a86b4e97847e88455
Markdownc56aadba8a2d77222bd3c89c1c171ec9eab3c049c4b8b1eac654f7262321fd17
PDF
Publication paged68adaa35cbfccae25b8608d96e4c9a134a8f6e9eb7354f8cef8790209618995
Manifest7ab2a398eeb2b458c5a03e199445109062cb72b4dde1704e892c90fb0beffe6a

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
SignatureNp8nzt5svGPzGe3wZuFMdlFFj3xECclZf3W+mxGZ+LSjwoPEZoSeh8kFA6csIusFsklymCQIsF6crZ/h38s0CQ==
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

2026-09-17T09:54:34.563880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085679
observed d68adaa35cbfccae25b8608d96e4c9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.546403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085679/manifest.json
observed 7ab2a398eeb2b458c5a03e1994451090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.528408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085679/publication.md
observed c56aadba8a2d77222bd3c89c1c171ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.511187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085679/publication.txt
observed 2dec942931ef07e73245fdf99a9d93f7...
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.