OpenTechnical

OT-2026-000067088

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000067088) never changes.

Identity and time

Publication numberOT-2026-000067088 · never reused
Internal UUID01a0ae8f-14ff-7d4e-9189-f8d07fc23d31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067088
StatusPUBLIC

Content hashes

Canonical texta899773412f9919fe087a47fec101e88c092236c831e374c4413270a3d2e4db2
Markdown912f13ce5688128c01eb21a3e1a05aa774cc35448164877323b33cad919a07bb
PDF
Publication pagecad02bfb12ae964a458706b846f1eb6e2d145af316ec9d0587f128a5ce8d2364
Manifesteb4bb110a793c4e06c3d7cc4a3820ae5d604493c0e391d450c32e274dd793fd9

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
SignatureOyXjR2SuFWkG0MeLDjGiahp3CriWD+LgpgRt2M9YIWqUqhPZ6Ey390y9J9AqcdPxXRJat9vxrJnDJPvAYTqMDA==
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

2026-09-17T10:32:21.188581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067088
observed cad02bfb12ae964a458706b846f1eb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.172620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067088/manifest.json
observed eb4bb110a793c4e06c3d7cc4a3820ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.155657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067088/publication.md
observed 912f13ce5688128c01eb21a3e1a05aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.137296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067088/publication.txt
observed a899773412f9919fe087a47fec101e88...
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.