OpenTechnical

OT-2026-000077961

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077961) never changes.

Identity and time

Publication numberOT-2026-000077961 · never reused
Internal UUID01a0ae95-2ed1-7837-a1aa-5ca23658eaf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077961
StatusPUBLIC

Content hashes

Canonical text205ca0fe6beaedab3217dd2ce5747e5fe4d558edbf7c371a7b3d4d79e9fba765
Markdownfbfa1b3f6009c10da2ee9bc0d6248275d21485f92532021b71e0ed8b818a6ccd
PDF
Publication page0e407e44789116377dccdb12a9a64cc7c7ab3c3f201d8210588c5f5756225390
Manifest9155d41641131b06e9cde5405a091336381cce25402a87e65620fd624d588df8

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
SignaturegFE/ePSsg9hl4of/+5P5c1vGzqmdjgXku3MNcQnyJab7oe7OU1d4ULqX/ZI1T49IIZJRRzj5HMROEubCcPffAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:20.447023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961
observed 0e407e44789116377dccdb12a9a64cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.049542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961/manifest.json
observed 9155d41641131b06e9cde5405a091336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.031427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961/publication.md
observed fbfa1b3f6009c10da2ee9bc0d6248275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.010869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961/publication.txt
observed 205ca0fe6beaedab3217dd2ce5747e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.680087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961
observed 0e407e44789116377dccdb12a9a64cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.662979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961/manifest.json
observed 9155d41641131b06e9cde5405a091336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.643903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961/publication.md
observed fbfa1b3f6009c10da2ee9bc0d6248275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.626237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077961/publication.txt
observed 205ca0fe6beaedab3217dd2ce5747e5f...
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.