OpenTechnical

OT-2026-000007327

Publication integrity record

Porous face vacuum gripper, four zone face, three stage ejector, vented before 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-2026-000007327) never changes.

Identity and time

Publication numberOT-2026-000007327 · never reused
Internal UUID01a0a97a-cda8-7e8b-8699-a8472b133cfc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:52.683482Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007327
StatusPUBLIC

Content hashes

Canonical text405daa04f75732025f751479b3e0439c54feab87393db60882225730e76667d1
Markdown940f3087df882a1dac2714a43b6af3372094c2721246f5b05a1a1f028bc686ce
PDF
Publication page5501317bf9b74f1a9ef7cfec466e83e05e2eddddae95df786151cde552d35b9f
Manifestc77b2f5af7c0f79c27f6ee708fae9987ca01258c8fc295b5ead704a7c94eb033

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
SignatureG1BgjqyBOKPWb8n7hDL4/Q59JL4YAbCZJjaRs7fs6UZW4/gIlNMNLs0CDfDsZTYwHdOnVKaSr+c1ZV5drLFJDw==
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

2026-09-16T09:10:03.492807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007327
observed 5501317bf9b74f1a9ef7cfec466e83e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.480668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007327/manifest.json
observed c77b2f5af7c0f79c27f6ee708fae9987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.468114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007327/publication.md
observed 940f3087df882a1dac2714a43b6af337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.455330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007327/publication.txt
observed 405daa04f75732025f751479b3e0439c...
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.