OpenTechnical

OT-2026-000031071

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-2026-000031071) never changes.

Identity and time

Publication numberOT-2026-000031071 · never reused
Internal UUID01a0ae74-3fb8-78bf-bd09-c88710dcc5d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031071
StatusPUBLIC

Content hashes

Canonical text9c5dbe19ac17de37f37a7fb1c6d239e3ce05843edbd46d1c69cf1efe197a3c13
Markdown2d3deda9013af37b984e22b6f0120539fc212b287701d9351bdeb11c07f73ede
PDF
Publication pagee5495b36aa5bb19e8b6181fe9b8238711a8eef9e03c02bd1b9ae8be2f03d592c
Manifest25764c9ef5c18ff23e936903a8c15a7887cb92f204f4dbfa5ee0483df4e79b96

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
SignaturejSsSJLJrBZSkZ6AAShXHOuebsE4z+nDSNu6C0f1GUYW3wKbwzvy2kbhsP9nKLKjI/ZgzbgMDM1AX7LBmV5QnDA==
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

2026-09-17T11:40:17.278332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071
observed e5495b36aa5bb19e8b6181fe9b823871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.258493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071/manifest.json
observed 25764c9ef5c18ff23e936903a8c15a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.240487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071/publication.md
observed 2d3deda9013af37b984e22b6f0120539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.218988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071/publication.txt
observed 9c5dbe19ac17de37f37a7fb1c6d239e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.490222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071
observed e5495b36aa5bb19e8b6181fe9b823871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.471905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071/manifest.json
observed 25764c9ef5c18ff23e936903a8c15a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.455780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071/publication.md
observed 2d3deda9013af37b984e22b6f0120539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.439350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031071/publication.txt
observed 9c5dbe19ac17de37f37a7fb1c6d239e3...
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.