OpenTechnical

OT-2026-000075004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075004) never changes.

Identity and time

Publication numberOT-2026-000075004 · never reused
Internal UUID01a0ae93-ac2d-7c61-ab24-c1d8392d1b7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075004
StatusPUBLIC

Content hashes

Canonical textec7bbf119b4d37dd5ccd90ef30fae406b6ef3a47d3a8b44af8dac26d6f3fb72e
Markdown42f027047566e1f3751aa61a9eeed3e4992035514275ec1a0fa6ea6e6d82af17
PDF
Publication page8676f955023c118db3b77c111e95ae2ddfa27e0a07570ed4df124eea3d5a5e6d
Manifest725d4c71468a06128791f8f03dc02739b7884ec77029ffe7661eeb73a3c34f2d

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
SignatureX/qV2iUhHHHDXOu+PiuEWcf0ifppAVEQxokCl6k/4jdj1YQ68fp3/iro7pjafHOXUIbFkmCAENn7Rgey/A83BQ==
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

2026-09-17T10:18:48.793439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075004
observed 8676f955023c118db3b77c111e95ae2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.776547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075004/manifest.json
observed 725d4c71468a06128791f8f03dc02739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.759993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075004/publication.md
observed 42f027047566e1f3751aa61a9eeed3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.744484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075004/publication.txt
observed ec7bbf119b4d37dd5ccd90ef30fae406...
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.