OpenTechnical

OT-2026-000083467

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, sustained blow-off before 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-2026-000083467) never changes.

Identity and time

Publication numberOT-2026-000083467 · never reused
Internal UUID01a0ae97-c965-7b8f-a54a-ab6a8ed7eaa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083467
StatusPUBLIC

Content hashes

Canonical texta5fff8d953fdf700409d7c24696e48f42aaa9f6eec6544d843199804e6b2ead3
Markdowneafe3e5d23ed299667c6bc8a62dcdcc4d7b033c1599867b325257c8e60455187
PDF
Publication page445ff59d35dfb5de24f6d6274dbe6fe3a39568466272efb9ba68fb6146f44722
Manifest8786dcaa5c1c6b0df36cea04e0c6a8a3cba541d09e9dbf867d3107ba2ed3c83f

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
SignatureQcBsbUi/26Lwr4XrFvIBrv5lyg6at/n+zqEePQ64a0v/cDyjCRTLSscASkvQG0vSlc9KnRvQM795uSqJH+EEAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:53.315243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083467
observed 445ff59d35dfb5de24f6d6274dbe6fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.300357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083467/manifest.json
observed 8786dcaa5c1c6b0df36cea04e0c6a8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.284009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083467/publication.md
observed eafe3e5d23ed299667c6bc8a62dcdcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.268903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083467/publication.txt
observed a5fff8d953fdf700409d7c24696e48f4...
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.