OpenTechnical

OT-2026-000059592

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000059592) never changes.

Identity and time

Publication numberOT-2026-000059592 · never reused
Internal UUID01a0ae89-ec24-7cc8-9745-ac9f980b091b · 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-2026-000059592
StatusPUBLIC

Content hashes

Canonical textbec344428050580e5c8dda9e86a75f9df68350d62dcf080bb7ad4d74862a4039
Markdown006355f44e634df60a429c8ea4f08a8d4c7a548e593bfb335521bb0ef8835b8a
PDF
Publication pagedfe968f394e241b4666336185b13ef229da5c4c0d6de9a13f496eecc8082a0e1
Manifesta86b5e20cd58e71885d577c96e587022227ffb831c2b3e1aba67ab2bff96940e

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
SignatureSu4Aw2YG3N+0C4M2LQc1PK/njToRKcDqxJgtHQyQXNFjwyZ8/rjCpl9GBepyXakgS7Lu/OQ2aNZr++TV/jwrAQ==
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

2026-09-17T10:44:14.659678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059592
observed dfe968f394e241b4666336185b13ef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.641315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059592/manifest.json
observed a86b5e20cd58e71885d577c96e587022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.623715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059592/publication.md
observed 006355f44e634df60a429c8ea4f08a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.605859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059592/publication.txt
observed bec344428050580e5c8dda9e86a75f9d...
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.