OpenTechnical

OT-2026-000067668

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000067668) never changes.

Identity and time

Publication numberOT-2026-000067668 · never reused
Internal UUID01a0ae8f-6bdb-7d33-bf88-9340731fbe9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067668
StatusPUBLIC

Content hashes

Canonical text56377fbe711371631b5b074a8a169a5de3f860cc207ae49a8c9e64af00b826a8
Markdown9849600240db164c8e0d9deba32841dd9da484aaa9194af71632a66ebdb31ee4
PDF
Publication pagefacddb43396cec9d644ead2558a20ea4d779a821337080d9197ee5a83110429c
Manifest1e0ceb55dff855c72dc32084ab5874ed15d5fefd5140f54d83da32eb09003574

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
SignatureFn4/72j+9K9USrPKYE7nUpcTj4zMJ41bU81ldmRzI4ye6QUxHCl4l9TXZN0Uj/B/YGDwBVn7bbqEk/V+fdShBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:00.075360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067668
observed facddb43396cec9d644ead2558a20ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.055861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067668/manifest.json
observed 1e0ceb55dff855c72dc32084ab5874ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.037821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067668/publication.md
observed 9849600240db164c8e0d9deba32841dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.018145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067668/publication.txt
observed 56377fbe711371631b5b074a8a169a5d...
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.