OpenTechnical

OT-2026-000068246

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068246) never changes.

Identity and time

Publication numberOT-2026-000068246 · never reused
Internal UUID01a0ae90-247f-718e-a5d0-0cd9f248a812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068246
StatusPUBLIC

Content hashes

Canonical text6fc24a4e1a9b69280de118ca173142feec5acdf8633ee0c68c93ffc647154497
Markdownc0fe65af9a09ca1301c79130986007fbb79670103f6fc496a014ce8765603791
PDF
Publication page9e6f1dd254aed98aa743209e260ba121bee6206f1409151f1fe7b96b627a2714
Manifest20a39ed5e274cbb7a4a5b6ccc4b32ed4d13080e205c6c5f9b8ea95396fb55e54

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
SignatureiBp5842QYCvnN1aFUqv6Iwak4dCSIdYu88HX9rx/B/w2rao9ztmr7OeWZ32xQxYiIlv1l8oH6zeFTwwcr63XAQ==
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

2026-09-17T10:29:15.972755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068246
observed 9e6f1dd254aed98aa743209e260ba121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.954368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068246/manifest.json
observed 20a39ed5e274cbb7a4a5b6ccc4b32ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.937233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068246/publication.md
observed c0fe65af9a09ca1301c79130986007fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.919806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068246/publication.txt
observed 6fc24a4e1a9b69280de118ca173142fe...
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.