OpenTechnical

OT-2026-000067927

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000067927) never changes.

Identity and time

Publication numberOT-2026-000067927 · never reused
Internal UUID01a0ae8f-c4fc-73fc-9485-e52544efb880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067927
StatusPUBLIC

Content hashes

Canonical text58227467e2e84446a122efc0ec119b5c8ebaf49f1fdecb2105bb0868d3a92b70
Markdown31dfa3026cb1dd37e19a37c8a0c134ef48a95473dbf644b9c4cf8d0154144879
PDF
Publication page32314928642dbb37e686347c8e973f5af2a7ac97ec3fab9846c7b6eacdc28726
Manifest2c25cda33183635fd0e508382356171306259a90a7c3645cefabfe6c2d6511e2

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
Signaturel7jVw1T7XTXVwlBJfZxsCmjr8pK/NhkXTSivFPPXDxn193eAvF1n7Wc1ufnxtpKlhcyVqulUdbFYAgQLgqOEAw==
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

2026-09-17T10:30:20.271079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067927
observed 32314928642dbb37e686347c8e973f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.251795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067927/manifest.json
observed 2c25cda33183635fd0e5083823561713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.230684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067927/publication.md
observed 31dfa3026cb1dd37e19a37c8a0c134ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.206387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067927/publication.txt
observed 58227467e2e84446a122efc0ec119b5c...
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.