OpenTechnical

OT-2026-000099918

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099918) never changes.

Identity and time

Publication numberOT-2026-000099918 · never reused
Internal UUID01a0aea3-1473-7d58-a527-c469a9a4e767 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099918
StatusPUBLIC

Content hashes

Canonical text4f2d56577ef69d5046f07c2b9a8d91fcb6fd05084412598cf31c6f152130cd08
Markdown11c471f9ffac39dfecd9b6a374285957ba01aa75a6abc25d6022f9d31189ff4b
PDF
Publication page2b7e3648210a1179dffdd907b7d772c614ab86f2056106485bf7ee2b98fca881
Manifest60423bb59d69d106062127b8b5679bab273deb2359740077c1185db167ebe1bb

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
SignatureAp9CduBI1YXHCNO+VFbYoiNttts3n3og//it4M4WatjEnCe5Jyy5PW32l9TPIebZgXlI/8Q8lLm2ASyeNAjECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:33.680418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918
observed 2b7e3648210a1179dffdd907b7d772c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.663336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918/manifest.json
observed 60423bb59d69d106062127b8b5679bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.644738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918/publication.md
observed 11c471f9ffac39dfecd9b6a374285957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.625272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918/publication.txt
observed 4f2d56577ef69d5046f07c2b9a8d91fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.238816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918
observed 2b7e3648210a1179dffdd907b7d772c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.221717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918/manifest.json
observed 60423bb59d69d106062127b8b5679bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.204324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918/publication.md
observed 11c471f9ffac39dfecd9b6a374285957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.185147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099918/publication.txt
observed 4f2d56577ef69d5046f07c2b9a8d91fc...
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.