OpenTechnical

OT-2026-000033315

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000033315) never changes.

Identity and time

Publication numberOT-2026-000033315 · never reused
Internal UUID01a0ae75-8980-7877-963c-35bc0e77766d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033315
StatusPUBLIC

Content hashes

Canonical text2da11fd267941906000b4501f8dd66c895085456a27f4980cdeac1a94522c33b
Markdownab02a5d5d23fa7439b6924da1b2a89d2374772e9119cd0a7b3e8c21b6f562c76
PDF
Publication page3693d0c095065e8b14b7065eef14893bafdef7b63e4f59ea268cd1eaadd5304a
Manifest62b3aa649defc410f3dcd247bff0de6846c42f1edcf0d1c05c85a53aad564ee2

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
SignaturePcyGJcAD0U1um6lGm51jY2F/B4tT2Sdxath0Jq5z3uKnOEBNcg5e93BtpdUXZmj9pQXK7tIvlVcQWnc1DYtXAQ==
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

2026-09-17T11:32:03.881547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033315
observed 3693d0c095065e8b14b7065eef14893b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.863346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033315/manifest.json
observed 62b3aa649defc410f3dcd247bff0de68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.844426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033315/publication.md
observed ab02a5d5d23fa7439b6924da1b2a89d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.825923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033315/publication.txt
observed 2da11fd267941906000b4501f8dd66c8...
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.