OpenTechnical

OT-2026-000080833

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000080833) never changes.

Identity and time

Publication numberOT-2026-000080833 · never reused
Internal UUID01a0ae96-b974-734b-863b-fe94cbc364a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080833
StatusPUBLIC

Content hashes

Canonical text489c68a8f9ce5dccd39bca4c7152159bd2ab7bdf80c10f833201a91b807a1661
Markdown80f36b31f61070196a12b7f7af12d212267eb5e6fbfbf3034463205c25a7128b
PDF
Publication page1d8a6e5e4ccba8ae29671b931acc19f64c09ec2dd7854e7e6b5c17e345832468
Manifest18ec0cff93f867ff83cf207caf36682d44f7abe30863508468775494509f7288

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
SignatureINABxmxVvKoJJiSAGUKaFmRhMBaVXj0t2+3YrOwMIddb5hIDhUlShYY8Rn75iUUp98aczhIPtKaks8tnrbEyDw==
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

2026-09-17T10:02:01.215521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080833
observed 1d8a6e5e4ccba8ae29671b931acc19f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.196089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080833/manifest.json
observed 18ec0cff93f867ff83cf207caf36682d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.177549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080833/publication.md
observed 80f36b31f61070196a12b7f7af12d212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.159326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080833/publication.txt
observed 489c68a8f9ce5dccd39bca4c7152159b...
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.