OpenTechnical

OT-2026-000013945

Publication integrity record

Single cup vacuum gripper, single 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-2026-000013945) never changes.

Identity and time

Publication numberOT-2026-000013945 · never reused
Internal UUID01a0ae6d-8dea-710c-a788-609e7788d227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013945
StatusPUBLIC

Content hashes

Canonical text31578440a05d5347a6d190e1829311005797a305a53e7bb754779fa3a30961d6
Markdown4cf71b1d49f61de529c0e8049350939ab804bf99f7f285f2450ce14c602938c6
PDF
Publication page5130a6fe8478b3a6ffec93c94a45427c7c8c7f93c7279a128a7377af319ba2f4
Manifestee03f151a3493846e897b6dbb77c3dc4d371d583295098a81ab4e138a82eb878

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
SignatureB8iy4uEP6Cl//zgcK2IB1Vq8Enfwvw0sNLozOCspYa9KWwyzUhrnX6DmJDiVNJZIxLjdwlrd1cXRb3/0GCxhDA==
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

2026-09-17T12:09:05.248517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013945
observed 5130a6fe8478b3a6ffec93c94a45427c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:05.227061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013945/manifest.json
observed ee03f151a3493846e897b6dbb77c3dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:05.207659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013945/publication.md
observed 4cf71b1d49f61de529c0e8049350939a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:05.187416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013945/publication.txt
observed 31578440a05d5347a6d190e182931100...
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.