OpenTechnical

OT-2026-000006425

Publication integrity record

Porous face vacuum gripper, two outlet manifold, plant vacuum fed, contact triggered, closed cell

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-2026-000006425) never changes.

Identity and time

Publication numberOT-2026-000006425 · never reused
Internal UUID01a0a95a-c78f-70d7-b687-b091308bfc18 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:53.970094Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006425
StatusPUBLIC

Content hashes

Canonical text4feb7093350756b291c716a64174c9f0b538229fc7cb3cb93d4d734b0675d037
Markdown485350360af03c3003ff9a368056890011932f838089498a58e2bd55e4008060
PDF
Publication page6b9a21a4e8919325d720438ffcee7f57f0f4ebef338a8c08e1a82605510dd111
Manifest136af4c7138598552d40044f3507d5a03c89fdba200dd21857966290bb7ecf93

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
SignatureCGf73X6BirtSfZl+bKEucVyv2eYA0h2M/l9PyT2lGkRSVHbgsCdc4bw2cdkkl1E/4lSkTK3QwlbLazCV3dcbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:19.140727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006425
observed 6b9a21a4e8919325d720438ffcee7f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:19.125889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006425/manifest.json
observed 136af4c7138598552d40044f3507d5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:18.985204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006425/publication.md
observed 485350360af03c3003ff9a3680568900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:18.970429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006425/publication.txt
observed 4feb7093350756b291c716a64174c9f0...
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.