OpenTechnical

OT-2026-000032943

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000032943) never changes.

Identity and time

Publication numberOT-2026-000032943 · never reused
Internal UUID01a0ae75-4842-7149-9162-519c451893c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032943
StatusPUBLIC

Content hashes

Canonical textf604b33273b61e156129d2fbbffb3dae73e18b1ce5e071d455cd60dadfcfa888
Markdowne908f39affd134f613c1bae6de39668e21433c5d1d73249a59b885d3943a0043
PDF
Publication pagec35ebe3ac774ca3548763b227e6203c8c681ce90dcaec0437e9d1179fbb321a3
Manifesta035d2a4124968a4a0d7ccd9d5f61960d9a20b6e92140828735c5b49256d5157

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
SignatureiYWEj3qpC5zCHaoQVTumNy5hcl55B5erqDcDikrqSl5+02Z7i9BHjHmqXzPoGNth6Hny2U4wD28BejBFXl1vAQ==
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

2026-09-17T20:42:20.673918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943
observed c35ebe3ac774ca3548763b227e6203c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:20.300701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943/manifest.json
observed a035d2a4124968a4a0d7ccd9d5f61960...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:19.968255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943/publication.md
observed e908f39affd134f613c1bae6de39668e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:19.594182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943/publication.txt
observed f604b33273b61e156129d2fbbffb3dae...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.652928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943
observed c35ebe3ac774ca3548763b227e6203c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.633432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943/manifest.json
observed a035d2a4124968a4a0d7ccd9d5f61960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.613533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943/publication.md
observed e908f39affd134f613c1bae6de39668e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.593974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032943/publication.txt
observed f604b33273b61e156129d2fbbffb3dae...
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.