OpenTechnical

OT-2026-000071005

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071005) never changes.

Identity and time

Publication numberOT-2026-000071005 · never reused
Internal UUID01a0ae91-8c2e-723e-9d61-468ee6d90e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071005
StatusPUBLIC

Content hashes

Canonical text53ca71ac63f4aa2cb30267a8a0154c6108e552b370ad33629e03b92eabaef70a
Markdowna2146f173c925bb859689a6cac8b3719af7a5e46a47bdf19dd3d8676250eb5ca
PDF
Publication page51b0d79aa53e0152747b4e30014f4f970857d2a6872d00a42683d15273f45154
Manifest62741371eaafb33654c7fb523bd818e4f811f925caa07d005398539e3409a462

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
SignaturenB2r+Y4LeRwhp9WklBIbtgK9E4vQ6hJ9QcviRlNXF45xVzsLuynTQM8BB/R+eKZ1hoVCAmgKKDtdiIz8B4qWAw==
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

2026-09-17T10:25:51.362468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071005
observed 51b0d79aa53e0152747b4e30014f4f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.344254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071005/manifest.json
observed 62741371eaafb33654c7fb523bd818e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.325016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071005/publication.md
observed a2146f173c925bb859689a6cac8b3719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.307450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071005/publication.txt
observed 53ca71ac63f4aa2cb30267a8a0154c61...
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.