OpenTechnical

OT-2026-000077958

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000077958) never changes.

Identity and time

Publication numberOT-2026-000077958 · never reused
Internal UUID01a0ae95-2ed1-7301-939c-750a92181278 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077958
StatusPUBLIC

Content hashes

Canonical text9cfb859c4a00177a47758e50d2301b5a5bea553754c2deec2384addb3b26bf19
Markdowndf2e95aa4cab95434c1caea5fcf5719c53878e75ae3c8fdafdcd484256e0762a
PDF
Publication pagef34296c044b8845f0ce66cfa68349d7a2560adb5d2d65a1a94e7e2bc75feca7a
Manifestc216c8d19500fced36f44329c9841087e757fca7f0541547c6697272ccfe6e8c

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
Signature2HXgwSrCm7unIAdqzS2dCH9yqXL8SUylrqjLZdPbu7vTZUA/oQ2pF94BIXPsysElJWlVoDCOKF1TB3s2eZUZAw==
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

2026-09-17T10:10:19.295456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958
observed f34296c044b8845f0ce66cfa68349d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.277038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958/manifest.json
observed c216c8d19500fced36f44329c9841087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.259336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958/publication.md
observed df2e95aa4cab95434c1caea5fcf5719c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.241509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958/publication.txt
observed 9cfb859c4a00177a47758e50d2301b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.447785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958
observed f34296c044b8845f0ce66cfa68349d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.429079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958/manifest.json
observed c216c8d19500fced36f44329c9841087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.411202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958/publication.md
observed df2e95aa4cab95434c1caea5fcf5719c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.393535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077958/publication.txt
observed 9cfb859c4a00177a47758e50d2301b5a...
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.