OpenTechnical

OT-2026-000009271

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000009271) never changes.

Identity and time

Publication numberOT-2026-000009271 · never reused
Internal UUID01a0ae6b-31ba-789a-bca6-49730cf6d7ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009271
StatusPUBLIC

Content hashes

Canonical textc3dd9093c9d053946929a53f05e33a28fb2622669ab35d7b6d1857741e83e2d3
Markdown4760ef0c24109b2bd9aadd9314e60618549350875d5d9c87913589689138c083
PDF
Publication pagea92d3ae449155c95c4b584e1a03c2ed07f20fc377012c4273177fd218bdf70e8
Manifest588da1a30b7d245e5637de1b0d579235127659cf554146f5b2737b29a73d62b2

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
SignatureDv4qGGvFDviXsxVW1cpY8QG9tHgGqn/KvSNCy5L7n5z45didipU5R99ANu5bL7H7FasDbPIsrvSsp5XkysSTCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:01.984033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009271
observed a92d3ae449155c95c4b584e1a03c2ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:01.965872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009271/manifest.json
observed 588da1a30b7d245e5637de1b0d579235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:01.941709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009271/publication.md
observed 4760ef0c24109b2bd9aadd9314e60618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:01.920522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009271/publication.txt
observed c3dd9093c9d053946929a53f05e33a28...
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.