OpenTechnical

OT-2026-000083267

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000083267) never changes.

Identity and time

Publication numberOT-2026-000083267 · never reused
Internal UUID01a0ae97-c963-7b96-9119-883fb6f8ad50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083267
StatusPUBLIC

Content hashes

Canonical text035f49f2f5528dc63b7aab73d541a67320b6878cea98b9d2bdc0d880c8846a90
Markdown488dde39e9fbe446c0c809d7da84f2bcaad2c58c4c9c7a530aef0719b00a6f82
PDF
Publication page08902b845d9b9accadc5d213b1f4959304dcf5e6cdb24aaeb278fe5637bd8450
Manifest8877ebfbc3df53f9827694a3e3cd3e0b5fcee157536949834ba63218657b3330

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
Signature4BClfLDjonl9C6iNs1VROliuJ4JSSaQdeytmUmqXvx78CW1q9mXhd386RLuNUBrtGXF7fiCu9atjBX9rI9N0CQ==
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

2026-09-17T09:01:21.379952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083267
observed 08902b845d9b9accadc5d213b1f49593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:21.338742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083267/manifest.json
observed 8877ebfbc3df53f9827694a3e3cd3e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:21.314628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083267/publication.md
observed 488dde39e9fbe446c0c809d7da84f2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:21.160684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083267/publication.txt
observed 035f49f2f5528dc63b7aab73d541a673...
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.