OpenTechnical

OT-2026-000011466

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000011466) never changes.

Identity and time

Publication numberOT-2026-000011466 · never reused
Internal UUID01a0ae6c-88ff-7d3e-9bce-d478722ab0fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011466
StatusPUBLIC

Content hashes

Canonical text5bfd0dfac31e0027ec5176f195b37304101bd906deb952d4800873464be3e92e
Markdownd2767aff0758065ae33c58ba2038fee7f58eb3ed94dd8e5d0ae388df6c8cbe9d
PDF
Publication page20872a6dc5372f0a034211f927a834fa23621aead58f3355c7ef254972beb02f
Manifest3f7fde6eaa3aa0e54d861df71ca2bef1a4e8776850d10c9bddd5eb190f75b577

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
SignatureCzt8KYsgx1BFw3LNmZcY18tdm2Wl/0Bk9Zhig1UliPxK+9fKUmDlLZSX6Ik0ZipRD+8A7xqshSKTepeOD3cSDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:14.017564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011466
observed 20872a6dc5372f0a034211f927a834fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.999561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011466/manifest.json
observed 3f7fde6eaa3aa0e54d861df71ca2bef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.979592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011466/publication.md
observed d2767aff0758065ae33c58ba2038fee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.962569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011466/publication.txt
observed 5bfd0dfac31e0027ec5176f195b37304...
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.