OpenTechnical

OT-2026-000059593

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented after set-down, on a tool changer

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-2026-000059593) never changes.

Identity and time

Publication numberOT-2026-000059593 · never reused
Internal UUID01a0ae89-ec24-7981-8ea8-f8df28430974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059593
StatusPUBLIC

Content hashes

Canonical textee9b103ae2a558db2abbd0f17da22f10c88fd2b9bead5a7473f59f450c2b4066
Markdown943a152f2f424930dee79a1a13cced23ae886ec7feb8f8231418d6b9302726f9
PDF
Publication page12f845b7edbc21d38dece7bd2399feceb4731424b60782f58666cda00206b420
Manifest75d056e3ec0d8ecd0d35cca7ea6a2e85491bb053844048745a3404d0afb3d94c

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
SignatureiMrfxuM9G8KyjTGRwI5NEfqz2xNrNJOVNSlozyeoZQJlwDiIX8bshJ4krAjWscJuVif2fzknwkElS11bCEAsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:08.755244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059593
observed 12f845b7edbc21d38dece7bd2399fece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.734568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059593/manifest.json
observed 75d056e3ec0d8ecd0d35cca7ea6a2e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.641447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059593/publication.md
observed 943a152f2f424930dee79a1a13cced23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.548382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059593/publication.txt
observed ee9b103ae2a558db2abbd0f17da22f10...
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.