OpenTechnical

OT-2026-000049401

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000049401) never changes.

Identity and time

Publication numberOT-2026-000049401 · never reused
Internal UUID01a0ae81-8f7b-7dbe-bcf8-f8427976a6d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049401
StatusPUBLIC

Content hashes

Canonical textc6c093c060df7b6f586436da4478bc42d73b305ca326a4fbbca7098a89e15831
Markdown9375a21f1a97233b71ac948f260844e8cd2975b1b1978f2a70c06556d9b71c4b
PDF
Publication paged97c02f418790fb6ac1d1cd8dc8c7af5d70f521e95ec2d41da745da3f7b5c63c
Manifestbf4ecde1b61ada5c1385b223956aae54cc8e021eb45fa7092bbd23687cb5903d

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
Signatureapd5sMQ5b6YjQZdlVGs5ZGwDkRkmnGam9M2Jjksc2z1vR4QJITHNkmYGZRqxDpPaSQRqEzVEIw5zgytPu1ksDw==
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

2026-09-17T11:02:13.129505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049401
observed d97c02f418790fb6ac1d1cd8dc8c7af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.110753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049401/manifest.json
observed bf4ecde1b61ada5c1385b223956aae54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.092718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049401/publication.md
observed 9375a21f1a97233b71ac948f260844e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.075538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049401/publication.txt
observed c6c093c060df7b6f586436da4478bc42...
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.