OpenTechnical

OT-2026-000086717

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000086717) never changes.

Identity and time

Publication numberOT-2026-000086717 · never reused
Internal UUID01a0ae9a-2c99-7b96-add3-50bd708c73e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086717
StatusPUBLIC

Content hashes

Canonical text4392d3cfd399cbea59d0df6ccae8a0062aacf72489bb2f216ebe61f420799d82
Markdown5662fbfc4bb9dd4be55a54e8ab0aa8672046a773da544a3eb4d561c05b634442
PDF
Publication pagecb83620da579e8c0819b5dd18ec1ebf07eac9ed3489cb2163c2f4802ba6e5db5
Manifest9fb49e299ae0d06db67824e4938a392e037999b8bc7583ffca9cc7650cfbca6a

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
SignatureE143ytP5iqo3Ts6C6/eJlMMMbHmhPRNsCh88yQP/U8OhO0AStKvZiuvuDayCqbG6zf+7ofQziZmlDwUXd84nCA==
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

2026-09-17T09:52:35.584743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086717
observed cb83620da579e8c0819b5dd18ec1ebf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.569905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086717/manifest.json
observed 9fb49e299ae0d06db67824e4938a392e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.552896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086717/publication.md
observed 5662fbfc4bb9dd4be55a54e8ab0aa867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.536466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086717/publication.txt
observed 4392d3cfd399cbea59d0df6ccae8a006...
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.