OpenTechnical

OT-2026-000030274

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000030274) never changes.

Identity and time

Publication numberOT-2026-000030274 · never reused
Internal UUID01a0ae73-e500-7a45-98fc-97e2b57650f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030274
StatusPUBLIC

Content hashes

Canonical text96db54047e134caddebd0abd72a6926e93fcd108e21275060ae0924aac3913e1
Markdown6e14c1ad079a8e2b775a3af7d38f208a14bb078fbf6539c9a3b7fc221580acfb
PDF
Publication paged584eb14d4620d1ee7ffa2a3bac00998944d6edd3252d24cddd506f74b0ae382
Manifest4786acee771f0ad858418be8d11c92dfe99e2e63ae867f569773a62d2939e7ed

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
SignatureM8jqGZs+qWUWNuk2h5G7dGBX/Nbpzx9pr/OL509aNtiAAMZvyfMRJzZu63HeqWhJDRxND0IAGcCn/X/LmN/5BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:46.499633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274
observed d584eb14d4620d1ee7ffa2a3bac00998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.481666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274/manifest.json
observed 4786acee771f0ad858418be8d11c92df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.463761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274/publication.md
observed 6e14c1ad079a8e2b775a3af7d38f208a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.439653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274/publication.txt
observed 96db54047e134caddebd0abd72a6926e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.367045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274
observed d584eb14d4620d1ee7ffa2a3bac00998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.348743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274/manifest.json
observed 4786acee771f0ad858418be8d11c92df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.328841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274/publication.md
observed 6e14c1ad079a8e2b775a3af7d38f208a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.310106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030274/publication.txt
observed 96db54047e134caddebd0abd72a6926e...
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.