OpenTechnical

OT-2026-000070448

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000070448) never changes.

Identity and time

Publication numberOT-2026-000070448 · never reused
Internal UUID01a0ae91-545f-7692-924e-804483f488e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070448
StatusPUBLIC

Content hashes

Canonical text50115ccae284f72d06f7caa70531998e007256c1abb3046038ce153ccce0aed4
Markdown83b63d9ccc786444107d142b50450bd6bdf49731ca77d10c2eb678b0dcf7839a
PDF
Publication pagebf574ab1f4a30ebcfb84dcf65bba85d256f081118155914d11b574c8e0c5e5ed
Manifest36a8843b1f3fe5051a5d6cf8cc9f4e0cab16507fc814bbff22bbc83132900a6e

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
SignaturexMePOCeDQZh7lvvocIJu7GHHWo229XTARWHrEi2VBRfPDEk/yWHh+vjXg2x00O1unVLgDc+Idlmc7q/VazpvCg==
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

2026-09-17T10:26:16.264086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070448
observed bf574ab1f4a30ebcfb84dcf65bba85d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.246735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070448/manifest.json
observed 36a8843b1f3fe5051a5d6cf8cc9f4e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.228011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070448/publication.md
observed 83b63d9ccc786444107d142b50450bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.209550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070448/publication.txt
observed 50115ccae284f72d06f7caa70531998e...
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.