OpenTechnical

OT-2026-000023198

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000023198) never changes.

Identity and time

Publication numberOT-2026-000023198 · never reused
Internal UUID01a0ae70-7267-74a1-bfe1-3194c494e32c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023198
StatusPUBLIC

Content hashes

Canonical textf35481daf966b5b921d8f4bbf2ba09ac105057d0ffc0690dc7c9ab4b42b91ab7
Markdown9c6947684f092a86a03e9673afc61ceca8977c2521f8fac4dbec0a715eb31433
PDF
Publication page9bcd59d7dff6d17647977e71dd0bec4cb47b73ad612e7fea0e6ea4e1a9ce6937
Manifest345a05faefff8ac4c40fa6c4dee6d067788791271e7d64e191bb13aa1069e3e3

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
SignaturejwZNeyBCaLtbiUmt3pqpGYj/UlX2ifXiVXVme2XGSFbqjiKk9Ag+Q74t89hWRTAsAGyJR58NuWhOrsB7HYsUBg==
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

2026-09-17T11:51:09.106348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023198
observed 9bcd59d7dff6d17647977e71dd0bec4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.089118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023198/manifest.json
observed 345a05faefff8ac4c40fa6c4dee6d067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.072129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023198/publication.md
observed 9c6947684f092a86a03e9673afc61cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.056885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023198/publication.txt
observed f35481daf966b5b921d8f4bbf2ba09ac...
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.