OpenTechnical

OT-2026-000092640

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line 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-2026-000092640) never changes.

Identity and time

Publication numberOT-2026-000092640 · never reused
Internal UUID01a0ae9d-b5ff-70d1-92b4-98a55c5da7cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092640
StatusPUBLIC

Content hashes

Canonical texta6abd2404bfd8ee9ff6121c7a34fd5e590c453172d965b9ed21877aadaf06dc4
Markdown52842ab1eb124d16facedc79546920b5638fd2979a06fc8e5680eadb07e73181
PDF
Publication pagefcbf4b17bbab0aa3e501c2c90d4a2ebec9fa78d381e4eed79aed017f99663666
Manifest3ae25ab2647bf91f332ce2f19ea054f8eca11b2ce7bd17796e23b38088f9d1c5

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
Signature8V1DNgjTqHoDFh21Wx4lxwDFvCEuki0n1QLVV59WkRHn7kjJyrKn319+zfjgY25XhXryonI7SB0ag53FX2KOAA==
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

2026-10-08T20:41:31.587830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640
observed fcbf4b17bbab0aa3e501c2c90d4a2ebe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T20:41:31.510112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640/manifest.json
observed 3ae25ab2647bf91f332ce2f19ea054f8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T20:41:31.433918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640/publication.md
observed 52842ab1eb124d16facedc79546920b5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T20:41:31.281463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640/publication.txt
observed a6abd2404bfd8ee9ff6121c7a34fd5e5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.552798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640
observed fcbf4b17bbab0aa3e501c2c90d4a2ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.536150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640/manifest.json
observed 3ae25ab2647bf91f332ce2f19ea054f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.520460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640/publication.md
observed 52842ab1eb124d16facedc79546920b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.503475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092640/publication.txt
observed a6abd2404bfd8ee9ff6121c7a34fd5e5...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent