OpenTechnical

OT-2026-000099879

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000099879) never changes.

Identity and time

Publication numberOT-2026-000099879 · never reused
Internal UUID01a0aea3-1473-7f63-bd0e-d59133b1193b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099879
StatusPUBLIC

Content hashes

Canonical text2b00086f4759cd3e8dd18357de64bf361953e2df13a9975dbad9332392192f46
Markdown981bbb2799d5ae516ca11a90a8c20b37484d7bd1b6bd5a3fd97ea57fb8ac1f92
PDF
Publication page5f62b3abd8cb8b3e8b5c37955fe5df9b34476bf3258cc6da6a0f77c15764701f
Manifest657bb519caa4c6dfb5a2b1aeaa6d82b54ffa59f181a782ffc915ff8476bafc73

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
SignaturegjvwyzwISQvepNbQzR8rGSyQ+40ugbxthuvoI7C4wWEC6Y6runnlIpxobK9Xf1GOeCKluLgm1FKNv6fAh097AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:30.431582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879
observed 5f62b3abd8cb8b3e8b5c37955fe5df9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.415593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879/manifest.json
observed 657bb519caa4c6dfb5a2b1aeaa6d82b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.393835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879/publication.md
observed 981bbb2799d5ae516ca11a90a8c20b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.376346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879/publication.txt
observed 2b00086f4759cd3e8dd18357de64bf36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.127986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879
observed 5f62b3abd8cb8b3e8b5c37955fe5df9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.108661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879/manifest.json
observed 657bb519caa4c6dfb5a2b1aeaa6d82b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.085917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879/publication.md
observed 981bbb2799d5ae516ca11a90a8c20b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.067727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099879/publication.txt
observed 2b00086f4759cd3e8dd18357de64bf36...
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.