OpenTechnical

OT-2026-000007371

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, contact triggered, silicone cups, oval form

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-2026-000007371) never changes.

Identity and time

Publication numberOT-2026-000007371 · never reused
Internal UUID01a0a97c-69cf-7ea7-9bcf-80103547b17e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:38.193752Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007371
StatusPUBLIC

Content hashes

Canonical textc0f3c9c8f2eecf0c371a3abd790cbfe2cd00b0703f13119adb1411a99f998986
Markdowna2242de129292ef44921929be3efed21223d72d03816a3d31f2e24c031c41a0c
PDF
Publication page7e2714ba865d5727b590aedc720f41ff0cdcd3a520fbfb2590326a982dd70cec
Manifest38ca24ca7f377a5ab316825666f8590a9eac02b27d294dc560b1a1dc1e98062c

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
SignatureE/draqxploKQU1jeLnvAdAq5lpbfD0SDVpq4UdSv070FAyimsY1B9YhjiFpDxSqbRxBxsBDFUKe6Mvk6q3AkDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.123084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007371
observed 7e2714ba865d5727b590aedc720f41ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.109270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007371/manifest.json
observed 38ca24ca7f377a5ab316825666f8590a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.094410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007371/publication.md
observed a2242de129292ef44921929be3efed21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.080493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007371/publication.txt
observed c0f3c9c8f2eecf0c371a3abd790cbfe2...
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.