OpenTechnical

OT-2026-000085517

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000085517) never changes.

Identity and time

Publication numberOT-2026-000085517 · never reused
Internal UUID01a0ae99-aaac-7e32-bff1-80170274f479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085517
StatusPUBLIC

Content hashes

Canonical text37f9d56cd5c4af341bc12396e299f8d858c6fcf4ddc66cd3ff1a3068e1560cba
Markdownd066b4ed6b4de7b0b638f4f00cac60b4bb6cccdcf007b4c6aa5e09ac5034f301
PDF
Publication paged089aa62f73e0f6435a9116d85630384d14ca2fb6f838599b05979f8c662f084
Manifest6df951b2b1460230153e2cda5c4660e96cfb74d8d7496745c32c2deec8834403

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
SignaturewB+tsixX6vb0zZhvtVI8mpLCD3Sg9t0fStTr8qVnGBjkNsklr1ySSBCk9D4yigijCl2Nm9FsrdgmBeOz+o9uDQ==
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

2026-09-17T09:54:19.639872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085517
observed d089aa62f73e0f6435a9116d85630384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.616687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085517/manifest.json
observed 6df951b2b1460230153e2cda5c4660e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.595637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085517/publication.md
observed d066b4ed6b4de7b0b638f4f00cac60b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.571586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085517/publication.txt
observed 37f9d56cd5c4af341bc12396e299f8d8...
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.