OpenTechnical

OT-2026-000033390

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000033390) never changes.

Identity and time

Publication numberOT-2026-000033390 · never reused
Internal UUID01a0ae75-8980-713e-9d1d-c690c891deaf · 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-2026-000033390
StatusPUBLIC

Content hashes

Canonical text3eeb3c4d5076d7205db6abf4ba704cf19e700f80c3b8b7f2a99459b3047244f7
Markdown484c926db10d615eb78b58f68cd74464cc8e6ebd6271d609a052910aafad87df
PDF
Publication page5833369025f02eded0c10801b0537deee9a3c82a87a31750e9d785cc3c648422
Manifest71aadb01e0dd70d4514ca788d16d6f0abfa2f41936802af226b7b037e07f877a

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
SignaturesszT3QVk5BLf8Qv+E4laX0ihL81v4WRNbYb2ON4KhO1CnJS+YLXTbOzAqLBs1xqjELNAKhlDIwht6MR8lcnvCQ==
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

2026-09-17T11:32:09.991283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033390
observed 5833369025f02eded0c10801b0537dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.973434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033390/manifest.json
observed 71aadb01e0dd70d4514ca788d16d6f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.953944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033390/publication.md
observed 484c926db10d615eb78b58f68cd74464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.932004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033390/publication.txt
observed 3eeb3c4d5076d7205db6abf4ba704cf1...
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.