OpenTechnical

OT-2026-000033334

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000033334) never changes.

Identity and time

Publication numberOT-2026-000033334 · never reused
Internal UUID01a0ae75-8980-755e-b88f-42471b13ec34 · 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-2026-000033334
StatusPUBLIC

Content hashes

Canonical text3edcd7462a76a9a8873791d7939633aa0faafea97d623c28a937bf5be3f84327
Markdown27f28345b4bff6289c1f687833e5bc2c5d5acdbac289aac2c3d59f9fbee60545
PDF
Publication page8bc7bb7c1bfb66ad4ddeef3ccf8421f63854180e93afb16508467208969cd568
Manifestfc46f69daa80b6b7fc42ac06abbe1a98230281d1dd1f7657c6fce4a02f29b78e

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
Signatures2B/KQ+nT3uN/Ro7AAIOm4E+kE5KPDZvFxAqeHqDV1hPtFcOS48DvZLzxgF0/n2SsVEtrcaPXe2EpHjP9qZQDg==
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

2026-09-17T11:32:05.343748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033334
observed 8bc7bb7c1bfb66ad4ddeef3ccf8421f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.319101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033334/manifest.json
observed fc46f69daa80b6b7fc42ac06abbe1a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.299865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033334/publication.md
observed 27f28345b4bff6289c1f687833e5bc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.282828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033334/publication.txt
observed 3edcd7462a76a9a8873791d7939633aa...
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.