OpenTechnical

OT-2026-000089945

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089945) never changes.

Identity and time

Publication numberOT-2026-000089945 · never reused
Internal UUID01a0ae9c-428d-7ca2-867b-7e5dd4e0ab0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089945
StatusPUBLIC

Content hashes

Canonical text45ebecb9804acaea0a30960f9e2d4ffca972b595ca53b1034fe78c5161e59c87
Markdown80591b60d8e8e2b228dd055fbe07863ba4808bd2e02d1e33c52e6d8150111b0d
PDF
Publication pagee9cf0ba6b102aaeff9d43a5459ad6f8a870bc0dc2f46d9b3a08d808bbae76f3b
Manifest619a4b33faa7956832c44f600f8465ac7dcceb17fb53777301530fc8f8616611

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
SignatureRBbPQKjgQjMlPOhs/GDvDsgKsr2Y4Er9gHgXwxT6cDG3S0QTORuBhdHFv1UauyF44skk0lODJz5Xb3PzR7iPDA==
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

2026-09-17T09:45:19.379517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089945
observed e9cf0ba6b102aaeff9d43a5459ad6f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.361032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089945/manifest.json
observed 619a4b33faa7956832c44f600f8465ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.343949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089945/publication.md
observed 80591b60d8e8e2b228dd055fbe07863b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.325429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089945/publication.txt
observed 45ebecb9804acaea0a30960f9e2d4ffc...
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.