OpenTechnical

OT-2026-000007474

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered, rubber 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-2026-000007474) never changes.

Identity and time

Publication numberOT-2026-000007474 · never reused
Internal UUID01a0a980-27ff-7905-8fb5-f3832aa523f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:43.490237Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007474
StatusPUBLIC

Content hashes

Canonical text0ae5d0b68552c1b7adfca9f90af3c0378c46654c665855bd73d7a23104654341
Markdownb440636283139225aec8be2153a1e2040b48640c1dcda02d60c22784b03b2598
PDF
Publication page0e5143eb746ebaa676efa19eba676150e3fa339ba7df8aa9d4fd30e87b34adf4
Manifest379f88de0fb1f625478b81d950152426cfa5e9c2ca909106bd6bfc742c6049bc

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
SignatureTmGPlN/83fdbCoynWEEKHJj7vjRZuN56Nd46bg0h/74Csbit3OvjKh8YUdXHVOtHNcwdrlzZCkih1Mq3PtFLCA==
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

2026-09-16T09:20:03.397110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007474
observed 0e5143eb746ebaa676efa19eba676150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.383015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007474/manifest.json
observed 379f88de0fb1f625478b81d950152426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.371640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007474/publication.md
observed b440636283139225aec8be2153a1e204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.358503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007474/publication.txt
observed 0ae5d0b68552c1b7adfca9f90af3c037...
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.