OpenTechnical

OT-2026-000092286

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092286) never changes.

Identity and time

Publication numberOT-2026-000092286 · never reused
Internal UUID01a0ae9d-875b-7a61-afc5-c47b0065c0b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092286
StatusPUBLIC

Content hashes

Canonical textf522288a67ac8cef056d0be62852c04e5b244f1f094f8e00c16dc7973fa7510b
Markdown2dbdcc73c6c232b7c1e01e869da4b8bf01d395084bd51a3198baff9338e9c013
PDF
Publication pagef31bf683d6c51d657a7c39ff3d7020a92df06ba20eb3d56be69ce16d729d95da
Manifest5900e551eeed31baa6af4b53128ef29027099d8b07a210138967a9d913ad1d18

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
SignaturenXQcriycGZFdrM3kaxK2xmV/9RcHQpeHAaUtQAyZuqBQ5OrO5+eRrPM2ZXfo6oBGlgkxqhphiFQnsBthbX+tCw==
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

2026-09-17T09:41:49.370286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092286
observed f31bf683d6c51d657a7c39ff3d7020a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.348101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092286/manifest.json
observed 5900e551eeed31baa6af4b53128ef290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.325646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092286/publication.md
observed 2dbdcc73c6c232b7c1e01e869da4b8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.303181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092286/publication.txt
observed f522288a67ac8cef056d0be62852c04e...
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.