OpenTechnical

OT-2026-000059833

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000059833) never changes.

Identity and time

Publication numberOT-2026-000059833 · never reused
Internal UUID01a0ae89-ec25-7880-ac07-907f7906d930 · 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-2026-000059833
StatusPUBLIC

Content hashes

Canonical texte92086a5405bc0cc14be4dd532ae312815c34d233780fee55a765f8b14aae823
Markdown6250840a7295c01fe7a2c66f9bcf03859ac21b79ff38d24a319299a6b1f117c8
PDF
Publication page913e6e0eec5ae7b8df92f43d6a26721faace78569ffc17b9a6b88e83429c2149
Manifest50eadf90fb0f950b2b44bd7322c0c0be43a6d86642e5fc13947ecb1143aa361e

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
SignatureeKzE3ugBwB0tmRBZX3swUcgrLuUKTis5dN2hh/BeowS+gkpk6vn4m2oFAMG9IeRUxLB8qbe4QUlhIsA0l4fUCA==
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

2026-09-17T10:44:34.772300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059833
observed 913e6e0eec5ae7b8df92f43d6a26721f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.754436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059833/manifest.json
observed 50eadf90fb0f950b2b44bd7322c0c0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.736507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059833/publication.md
observed 6250840a7295c01fe7a2c66f9bcf0385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.718336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059833/publication.txt
observed e92086a5405bc0cc14be4dd532ae3128...
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.