OpenTechnical

OT-2026-000081644

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000081644) never changes.

Identity and time

Publication numberOT-2026-000081644 · never reused
Internal UUID01a0ae97-0f72-738d-908f-f9f3f2008a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081644
StatusPUBLIC

Content hashes

Canonical textc25ec6f9d306da25a2e4a85b970fb6a396bff0e605e0ae17f817c7dcd0436c77
Markdown2152f6bb1f94f658967b36e46b439d921097f3990fc78b15dcd2faf8e2c5c5ed
PDF
Publication page34f4453521e83d82f95db3ca13edc0afa1686b6a3291256baa86c7877a595e6a
Manifest3aaaf38e6dda78de84c21181ce2d3056b0feae72975068fefc9d1d6b1beb43b7

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
SignaturecshgtXZFYiGr9U4Tgu4FdnNJWAFqFYXdry3Y9gPRfLQfd1t/Y2H4vVS5qziyAxUF+eIXuUkNmzubdzU3hXg9Dg==
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

2026-09-17T09:59:41.774379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081644
observed 34f4453521e83d82f95db3ca13edc0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.756605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081644/manifest.json
observed 3aaaf38e6dda78de84c21181ce2d3056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.740724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081644/publication.md
observed 2152f6bb1f94f658967b36e46b439d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.723014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081644/publication.txt
observed c25ec6f9d306da25a2e4a85b970fb6a3...
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.