OpenTechnical

OT-2026-000007268

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, pulsed blow off after set down

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-2026-000007268) never changes.

Identity and time

Publication numberOT-2026-000007268 · never reused
Internal UUID01a0a978-b78b-730f-a24e-404b19598f65 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:35.950229Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007268
StatusPUBLIC

Content hashes

Canonical text0ef2a2ebc883d6929945787b4ff63f0503391280d21088411a543892550d90fa
Markdown0df0c9cf94abe7d004c50c11794ed49b99256c33d38d47a5bd438612df502257
PDF
Publication page918dbe9ff9fa73759bc78c165bf053caf288f0c66f10b9e6caf131fa020e1feb
Manifestad24df86b467851393aceeb3c6848fd2a301b2a24a313ce2eefae3d283a80d0b

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
Signatureu0r9ZgHINwcWKrYIb1cXDxPj94NvQEr+D4HgnSHAK1LuKT4kSihBAYlTgXvUQMmZrqjXu2/BtlO6Na3l/oFYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:09.673153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007268
observed 918dbe9ff9fa73759bc78c165bf053ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.660461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007268/manifest.json
observed ad24df86b467851393aceeb3c6848fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.647374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007268/publication.md
observed 0df0c9cf94abe7d004c50c11794ed49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.633814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007268/publication.txt
observed 0ef2a2ebc883d6929945787b4ff63f05...
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.