OpenTechnical

OT-2026-000099075

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000099075) never changes.

Identity and time

Publication numberOT-2026-000099075 · never reused
Internal UUID01a0aea2-8287-79d3-a046-2b21162f2a4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099075
StatusPUBLIC

Content hashes

Canonical text8b52c370faa4f9d845b81722bc47a533835de55e974e9603843051ec89d0eb75
Markdown2686e8200febf50f6f28706a05c9869e8038481205b7f370bbfb5add56995f6d
PDF
Publication page8128fad0380f2051a142a4140cbf9cc9dce552231cd50551b09b94d89401c4c4
Manifest5559f292f0d12582ba9d380ff11bab91009045d5f8a870add839c5c045785687

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
Signaturer0TLn/QxN+6BJvAQwBhEKz9kTl1vvKd9ef98Qn1F86DwRBVvt82pMmLyWj51KYJOBq6guwzc+3oEJOTysWOxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:18.336543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099075
observed 8128fad0380f2051a142a4140cbf9cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.315338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099075/manifest.json
observed 5559f292f0d12582ba9d380ff11bab91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.294395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099075/publication.md
observed 2686e8200febf50f6f28706a05c9869e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.273974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099075/publication.txt
observed 8b52c370faa4f9d845b81722bc47a533...
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.