OpenTechnical

OT-2026-000085565

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000085565) never changes.

Identity and time

Publication numberOT-2026-000085565 · never reused
Internal UUID01a0ae99-aaac-79aa-9a91-3d35ac1e5b76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085565
StatusPUBLIC

Content hashes

Canonical text2f0504945494ae79101d5f027f0eafd744c285b96afef32419716af738c09f91
Markdown3378fe54fb33c5c0e448f025541093156de7b57ecca40c75b5cc905cd8c49bea
PDF
Publication pagee6b2b3c33de3f78e2631e50baa55240e91ef2ee2c42384a38902af82bb2a66e2
Manifest227b785493c3a5cd88e7791b356991e8175593720c38b5891e6cc0cc3e451015

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
SignatureTut7NjiixTujhrHEw9mnwlGacQ8Ppe7w65Gwh9I3/0ochIp5GAcydf7FGwwOq6/bwWlp9PenFF5vOmspkkw9Aw==
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

2026-09-17T09:54:23.223500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085565
observed e6b2b3c33de3f78e2631e50baa55240e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.205228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085565/manifest.json
observed 227b785493c3a5cd88e7791b356991e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.187180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085565/publication.md
observed 3378fe54fb33c5c0e448f02554109315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.168308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085565/publication.txt
observed 2f0504945494ae79101d5f027f0eafd7...
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.