OpenTechnical

OT-2026-000030159

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000030159) never changes.

Identity and time

Publication numberOT-2026-000030159 · never reused
Internal UUID01a0ae73-e500-786a-a43e-f31b734b5a57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030159
StatusPUBLIC

Content hashes

Canonical texta77edb8b9456005f6be557694182044c10fd8866fdc622d92b1e38b843f55e68
Markdown9a38783dadd826848267217ea1fcaa28fd05bc2af9e1c2ba54bd641d416b44e0
PDF
Publication pagece85989005db168f1e059edfae41a1689db1ee890a060e68f4a6007c10442376
Manifest25664aa06e12b88b6b63a609f455928312de89da1c9b805c9bb0c46ff80298f4

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
SignatureBqXFfVUDUm9AicV/9YRPBZGUacfjePYVru5zSXPUISrQ4UU8yaxqlMyMlQlJEqzt7RWvxNXiyk6OaQgF7BEzCQ==
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

2026-09-17T11:40:30.874747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159
observed ce85989005db168f1e059edfae41a168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.513836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159/manifest.json
observed 25664aa06e12b88b6b63a609f4559283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.494614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159/publication.md
observed 9a38783dadd826848267217ea1fcaa28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.475444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159/publication.txt
observed a77edb8b9456005f6be557694182044c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.415476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159
observed ce85989005db168f1e059edfae41a168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.399069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159/manifest.json
observed 25664aa06e12b88b6b63a609f4559283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.381153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159/publication.md
observed 9a38783dadd826848267217ea1fcaa28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.364203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030159/publication.txt
observed a77edb8b9456005f6be557694182044c...
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.