OpenTechnical

OT-2026-000091307

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091307) never changes.

Identity and time

Publication numberOT-2026-000091307 · never reused
Internal UUID01a0ae9c-f16c-7a9b-917f-d05e6daa3d0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091307
StatusPUBLIC

Content hashes

Canonical text8ea7ce8b0ce44a3beed93347918dddb0ee3d8176dbe1d8216efee4fbf032c4ec
Markdown041bda2d44e2ffa1b584da01c9e748edc9dfd90fe55fdad02ee8ff7b1a36077f
PDF
Publication page147f95a88694a11696745d473a0b397de00ee53ce2d17575ee2c5789bfaec3ae
Manifestc7d251052d77d850f7ebad6b3cec37d6f180602a13fd89128df7cc7e5c96c659

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
SignatureZmOu7TKpr2IIRyrIP3f95MAlvq9ZNB3h9y9Rgj9kDgAjdTy2Pwm/68LB4MCGL8V2hKE1HvWj06OHVUl6eSULDg==
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

2026-09-17T09:43:30.468063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091307
observed 147f95a88694a11696745d473a0b397d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.448085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091307/manifest.json
observed c7d251052d77d850f7ebad6b3cec37d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.429330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091307/publication.md
observed 041bda2d44e2ffa1b584da01c9e748ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.411949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091307/publication.txt
observed 8ea7ce8b0ce44a3beed93347918dddb0...
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.