OpenTechnical

OT-2026-000005282

Publication integrity record

Bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, contact triggered

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-2026-000005282) never changes.

Identity and time

Publication numberOT-2026-000005282 · never reused
Internal UUID01a0a933-cdb9-777e-ac03-4810ca2186e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:19.644190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005282
StatusPUBLIC

Content hashes

Canonical textc78784a04fc82d58bee3e92ec5a8d5191ae0f650b805221d72985af4d8730b28
Markdown73c83ba9222736e854a9bf70b73d34b80f5a06e89b591bed40e1db723b5098c3
PDF
Publication page2aab8349274065efd7f46e2bf836ce28ad79907a346a16e1e8f61a0d4dc8df1d
Manifestd817ea0ee6334b3c7cad8ceb9211a18af577193d9f738c48f2fedd09718067a9

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
SignatureQW1OrdIO+kzs7gtIVx4m6UMXuEsfWCjxVJsWF+ROrcfJAE9Xvym3vMiQeeGGk3d+F3VKplpE+cFpe7QT/flOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:41:16.950057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282
observed 2aab8349274065efd7f46e2bf836ce28...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:16.406545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282/manifest.json
observed d817ea0ee6334b3c7cad8ceb9211a18a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:16.143014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282/publication.md
observed 73c83ba9222736e854a9bf70b73d34b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:15.918042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282/publication.txt
observed c78784a04fc82d58bee3e92ec5a8d519...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.163371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282
observed 2aab8349274065efd7f46e2bf836ce28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.149161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282/manifest.json
observed d817ea0ee6334b3c7cad8ceb9211a18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.137184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282/publication.md
observed 73c83ba9222736e854a9bf70b73d34b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.122917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005282/publication.txt
observed c78784a04fc82d58bee3e92ec5a8d519...
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.