OpenTechnical

OT-2026-000075918

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075918) never changes.

Identity and time

Publication numberOT-2026-000075918 · never reused
Internal UUID01a0ae94-29ff-7af7-9f6c-0ab98cc312a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075918
StatusPUBLIC

Content hashes

Canonical text6d7de636c5276eff14b0b640e52b0c0ca82cc8b311b359f7cc4855ff56d3959f
Markdown42440a6f1bfc3e0f746ad4ea6f9c56def96e6fc8df4aac3c916fb63a3c001cda
PDF
Publication pageca2132348cc05aca55f99614c286cedf621f5f6dafe9476cae4e590e23fe5ca3
Manifestd6b67408ea4d8c3d84e3412dd4104edaa4028322048e2c63b1f3a4349a731b58

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
SignaturexPX4mffXLZhCIFe6BOdrzYg5iTvcUnhWTHELFXNjQKX0jipDUG6Id5aAhh4V1BUJ3RhkIQOmNZBjajYhT2HrCg==
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

2026-09-17T10:14:45.711414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075918
observed ca2132348cc05aca55f99614c286cedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.553710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075918/manifest.json
observed d6b67408ea4d8c3d84e3412dd4104eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.535795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075918/publication.md
observed 42440a6f1bfc3e0f746ad4ea6f9c56de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.517501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075918/publication.txt
observed 6d7de636c5276eff14b0b640e52b0c0c...
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.