OpenTechnical

OT-2026-000083163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000083163) never changes.

Identity and time

Publication numberOT-2026-000083163 · never reused
Internal UUID01a0ae97-c962-77da-a836-d19fe796aafd · 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-2026-000083163
StatusPUBLIC

Content hashes

Canonical textcbf9d291efb4896c3743113352a32524618f8fd8d5c2cd4a8c50d312121dafdf
Markdownc92fedfe7449fec734a3a5840b55af3e24ee13e54de32067511df3fd338f5876
PDF
Publication page7114246603958cfb721b2109a757f3f1cbd65205addae999d52df0084eb407bf
Manifestbe9b75af0ddcadd34185da0af8ad769f73ba48b9676912ec54249a9e9a3a3b60

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
Signature6dohNddXuVtaiqRRAVJKBIjLca4RtwNXvANBzr5ZS+VpNIFahhJHQLFfch4F1gIy5izCcYcN+kH/zge15jBbBA==
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

2026-09-24T04:23:17.332808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163
observed 7114246603958cfb721b2109a757f3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-24T04:23:17.314834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163/manifest.json
observed be9b75af0ddcadd34185da0af8ad769f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-24T04:23:17.280641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163/publication.md
observed c92fedfe7449fec734a3a5840b55af3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-24T04:23:17.241672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163/publication.txt
observed cbf9d291efb4896c3743113352a32524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.632527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163
observed 7114246603958cfb721b2109a757f3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.612180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163/manifest.json
observed be9b75af0ddcadd34185da0af8ad769f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.593233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163/publication.md
observed c92fedfe7449fec734a3a5840b55af3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.574215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083163/publication.txt
observed cbf9d291efb4896c3743113352a32524...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent