OpenTechnical

OT-2026-000006170

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, contact triggered, pulsed blow off after 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-2026-000006170) never changes.

Identity and time

Publication numberOT-2026-000006170 · never reused
Internal UUID01a0a951-b55a-77cd-9120-ddca8ea10b71 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:59.485661Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006170
StatusPUBLIC

Content hashes

Canonical text05065da22899e84674689c95e3d837a5bb9204723ea9839d7e3dcaf4fcb1df0a
Markdown27655b774a8d4179bc2f16d2fde5ec8fa432f5ae0d84ded00d55e1acf1aeb562
PDF
Publication page338ea79df18c4067561eb1374fdff4d2e00be6dc911b8e00ac0d77b4d6c02894
Manifeste2aa49006d18a42972800559dac00d2ef9df10692fb3f91c964aee1642d63382

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
Signature4C7dW3e4NW4Nls+6W+QlN+uUFo8xvRq9xhre6QoeIHLygcBKDF9OWSOG9VzJX5tNSzyGQ+YX+CtpRnQHSvEsCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:19.679330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006170
observed 338ea79df18c4067561eb1374fdff4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.665532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006170/manifest.json
observed e2aa49006d18a42972800559dac00d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.651423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006170/publication.md
observed 27655b774a8d4179bc2f16d2fde5ec8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.638469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006170/publication.txt
observed 05065da22899e84674689c95e3d837a5...
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.