OpenTechnical

OT-2026-000103916

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103916) never changes.

Identity and time

Publication numberOT-2026-000103916 · never reused
Internal UUID01a0aea5-15e7-7a01-8680-ab2cc78bf91a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103916
StatusPUBLIC

Content hashes

Canonical textb5376bd6af8870fd65ec69fe3e3917e4a0ef44676ebdc4a10648e1c1b4abfc75
Markdown511347243eb60fcc4e908dc243000d25eb6041da2e8643c2b8bfb25309b378a3
PDF
Publication page95e0707950c9788a4ef19fd8b5d3ba5954f20d7481f79502b8427fb2c46722a0
Manifest84c02958abaeaeedd400115d96d4eaea213121031e1cd3fad8ad8a9847f14cc2

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
Signature/+xfA7jAmBqTi4Z4UurcKSIx5U6YPw/4mf7DsQEiuwkUavJ1zLRjpHlgiktl0JKpwTSgUG+n9FuWRKiB0kicBQ==
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

2026-09-17T09:21:54.649843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103916
observed 95e0707950c9788a4ef19fd8b5d3ba59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.632153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103916/manifest.json
observed 84c02958abaeaeedd400115d96d4eaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.613839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103916/publication.md
observed 511347243eb60fcc4e908dc243000d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.596979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103916/publication.txt
observed b5376bd6af8870fd65ec69fe3e3917e4...
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.