OpenTechnical

OT-2026-000030248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000030248) never changes.

Identity and time

Publication numberOT-2026-000030248 · never reused
Internal UUID01a0ae73-e500-70c8-9251-cd90541c36c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030248
StatusPUBLIC

Content hashes

Canonical textb6e81e5b8aed8c61ae47f0a03d3ab39d49a1f6011cf4ade9fbf14cb97fa07359
Markdown3293641ad1aacce353ab2fafdd4d48b11fe91a5778a1ace0420a3121984813ff
PDF
Publication page36334eb403b02ca1373427d9ac2c7980f8a6af350c3a017a98f1de824c914dee
Manifest1b7b6f7caf87786b68387a112f79de382ad1cafd3308ae751aa2075523d54eec

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
Signatureq2vA5tmukMvEesLm8FjpKjq0mBABtLZ8zRvfrt411dod+biAIarxb7HCSY6XhVJovWUvvKO9bJrTr/fWk/a6Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:37.975185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248
observed 36334eb403b02ca1373427d9ac2c7980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.953516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248/manifest.json
observed 1b7b6f7caf87786b68387a112f79de38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.933773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248/publication.md
observed 3293641ad1aacce353ab2fafdd4d48b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.917143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248/publication.txt
observed b6e81e5b8aed8c61ae47f0a03d3ab39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.402834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248
observed 36334eb403b02ca1373427d9ac2c7980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.386559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248/manifest.json
observed 1b7b6f7caf87786b68387a112f79de38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.371266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248/publication.md
observed 3293641ad1aacce353ab2fafdd4d48b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.355709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030248/publication.txt
observed b6e81e5b8aed8c61ae47f0a03d3ab39d...
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.