OpenTechnical

OT-2026-000031011

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000031011) never changes.

Identity and time

Publication numberOT-2026-000031011 · never reused
Internal UUID01a0ae74-3fb7-7f61-ad80-e2d91ee6b02a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031011
StatusPUBLIC

Content hashes

Canonical text22975dbc3cb00da28d04c216f31c7e00d6de454f60a5c37d373dcd3dcf374378
Markdown6aef8d2ceb9d71ffb79213a8c652701835f22411588cd8af5ae5292cde5dee21
PDF
Publication pagec3a256ad2b3124521135a658843a7e3649316b221df6beaf6485244b9783f7bc
Manifestf3a06ce73c6a297fe2f01bc73db2d9f10ccbcc85e3c8acb15281731f901850b6

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
Signature7E8fZVh181wMRNxNvpoKjyfKvf9JQ9kE5SWxUH+vZxhwg3FLLxwuNWiTg2Jnr1VtSCnI2rphxsI+jVXDbP2BAg==
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

2026-09-17T11:40:06.038063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011
observed c3a256ad2b3124521135a658843a7e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.021888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011/manifest.json
observed f3a06ce73c6a297fe2f01bc73db2d9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.002009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011/publication.md
observed 6aef8d2ceb9d71ffb79213a8c6527018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.981690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011/publication.txt
observed 22975dbc3cb00da28d04c216f31c7e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.129415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011
observed c3a256ad2b3124521135a658843a7e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.111268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011/manifest.json
observed f3a06ce73c6a297fe2f01bc73db2d9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.092353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011/publication.md
observed 6aef8d2ceb9d71ffb79213a8c6527018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.073545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031011/publication.txt
observed 22975dbc3cb00da28d04c216f31c7e00...
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.