OpenTechnical

OT-2026-000099488

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099488) never changes.

Identity and time

Publication numberOT-2026-000099488 · never reused
Internal UUID01a0aea2-c974-7476-a427-f83801f948d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099488
StatusPUBLIC

Content hashes

Canonical textde1f87e730548aea375c445ae9c1697296e711c617873342384381930f16fb81
Markdown50d97352bc9d4bbd3cdbcd7d31a4ce1d4bdef9ba82d61bf88931150323b27957
PDF
Publication pagede9cb785612a4747367daebe4e7c98f98fa4e7e7fcef29300cc6b0fb4eca55f4
Manifest80364e6cef5b31e4abed45576b0995f744b2f16d7a7415761639c02381a5cba5

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
SignaturepqqWRCoH8Ua0D/O30kTSmPpfOa4edieK2LTMM3I91nbi0dS03WwEY0zxcyzlIr6ySkpmfhK6EKuh2fymY33BBA==
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

2026-09-17T09:29:22.741448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099488
observed de9cb785612a4747367daebe4e7c98f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.722324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099488/manifest.json
observed 80364e6cef5b31e4abed45576b0995f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.702470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099488/publication.md
observed 50d97352bc9d4bbd3cdbcd7d31a4ce1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.683450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099488/publication.txt
observed de1f87e730548aea375c445ae9c16972...
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.