OpenTechnical

OT-2026-000007011

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, pressure verified, contact triggered, silicone cups

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-2026-000007011) never changes.

Identity and time

Publication numberOT-2026-000007011 · never reused
Internal UUID01a0a96f-757e-7e7c-a6d6-eb42e72d14ff · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:29.217048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007011
StatusPUBLIC

Content hashes

Canonical textbacf3fc02c59e4f602c4076a9af0daad6d1df43985a88f699cfac772fc96ab3a
Markdownd1ff6b26b867b184eb7b21d378b9ec7be1b78b0fad1ec07e7e42524896cd13f1
PDF
Publication page8c4f07d39863f13bead8e06ed7cb2160a25d9c185143abdb3afb72411829d8b9
Manifest2d7d6877d20dcf27aa1aa6ba49eadd3e07895188b55279fa0c1bcc476965a244

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
Signaturer6cehJYc1ov9uvA2A+DcWqwltiD3I5Yudz2Pv1CEyAcQMlLCm1hgzwllHmbPUxjvBFZP8R9I4JgFekBJpPkaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:11.983776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007011
observed 8c4f07d39863f13bead8e06ed7cb2160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.971840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007011/manifest.json
observed 2d7d6877d20dcf27aa1aa6ba49eadd3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.958675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007011/publication.md
observed d1ff6b26b867b184eb7b21d378b9ec7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.944828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007011/publication.txt
observed bacf3fc02c59e4f602c4076a9af0daad...
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.