OpenTechnical

OT-2026-000033001

Publication integrity record

Single cup vacuum gripper, two 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-2026-000033001) never changes.

Identity and time

Publication numberOT-2026-000033001 · never reused
Internal UUID01a0ae75-4843-7339-bf00-230ea198e82f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033001
StatusPUBLIC

Content hashes

Canonical textdfd6e1deccb61c1a6095ae515c4b39439c8e19576ca89b785c4f470a6eedd47f
Markdown75a14a41c12efbb8f882b2770047f295f7d6cb272989b4c3302df1370804b8bf
PDF
Publication page3aac956b9f7c94698b699cb713d6f39edc411c958f93fb86720ff7033687e1b1
Manifestc08189d97238cb99e2adf58c5599fe87af5751eff6fd021d066e1aacf8b14a20

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
SignatureoN4rQsjNyPUGFx4AQ+8ksMZk2BPuymonGfYmIs/HBuqgw+pEUU1D0+7eX223mvPvSavX62/RpBHXM0ASjo9hAg==
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

2026-09-17T11:32:37.173010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033001
observed 3aac956b9f7c94698b699cb713d6f39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:37.156143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033001/manifest.json
observed c08189d97238cb99e2adf58c5599fe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:37.137454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033001/publication.md
observed 75a14a41c12efbb8f882b2770047f295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:37.119193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033001/publication.txt
observed dfd6e1deccb61c1a6095ae515c4b3943...
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.