OpenTechnical

OT-2026-000091858

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091858) never changes.

Identity and time

Publication numberOT-2026-000091858 · never reused
Internal UUID01a0ae9d-43ba-7b68-af14-b1aadcc19fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091858
StatusPUBLIC

Content hashes

Canonical texta40919b44de601a7970f526675d59531cf6865b82afe2f08c3e296235dbbe9a3
Markdown6c4ed995d14333405527c3dfcd0db9c868489716184a8959ee46d3e889886503
PDF
Publication pageeba8bc1c36355e77359d676e44e74b197780fc7d51a1d8a27c3fd55b67ad4bc0
Manifest2266f3b9d281dfd85987e9b512cb2f3e7f9d1050a49c73cd713f67720a8007b6

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
SignaturegjVJiE6krJcjJWKg7q7Uz/1YivWL/qHE7b9GdQ+VHcZ8nacisk2ToHiwMznN9N5dRVGM28ra5PSjEWBhIPZdBQ==
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

2026-09-17T09:42:46.965197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091858
observed eba8bc1c36355e77359d676e44e74b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.948399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091858/manifest.json
observed 2266f3b9d281dfd85987e9b512cb2f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.931508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091858/publication.md
observed 6c4ed995d14333405527c3dfcd0db9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.913585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091858/publication.txt
observed a40919b44de601a7970f526675d59531...
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.