OpenTechnical

OT-2026-000013492

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off before set-down

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-2026-000013492) never changes.

Identity and time

Publication numberOT-2026-000013492 · never reused
Internal UUID01a0ae6d-6fcb-77b7-84e3-6a6709dabee9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013492
StatusPUBLIC

Content hashes

Canonical text14d1a6cbec84325a4a006d25a8b0464f954aa0e19974bcb2086df549ed63335f
Markdown00cd7f27230607e08c9a3bb0f9feec4f67339fd01bd28984999ade343782f215
PDF
Publication pagec9cda329e4bfac392bd2bbecb5881d171b51281f0d5f9641168c43cbe8a94ae9
Manifest74f1e16d5acc09c7c546462847d047faa7a5f4f6f6ddfc9bd55e2da8bf8272d7

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
SignatureH62luZhzWKy7qLmDPfqKwocTZ71R8g5BmUofkCx83mbcrVaypFZ7YGQbRGB6WlKHqBm5fCc9dafqSAu7Mn9JCg==
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

2026-09-17T12:09:59.900455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013492
observed c9cda329e4bfac392bd2bbecb5881d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.882722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013492/manifest.json
observed 74f1e16d5acc09c7c546462847d047fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.865035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013492/publication.md
observed 00cd7f27230607e08c9a3bb0f9feec4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.846488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013492/publication.txt
observed 14d1a6cbec84325a4a006d25a8b0464f...
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.