OpenTechnical

OT-2026-000103392

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000103392) never changes.

Identity and time

Publication numberOT-2026-000103392 · never reused
Internal UUID01a0aea4-e460-79a1-992c-0a089be2b556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103392
StatusPUBLIC

Content hashes

Canonical textc82a458f24984c7253a049536486da3b3c4da14949baade3186b0422f09663ea
Markdownd210bdcd62dfbb5d94c4bba17380994c34e3be70d09f52ff9d39a5141dc8abd2
PDF
Publication page9d4d25b086e49bbe0c5eeb05c26dad7b8e21e21080478f3ad4d0b1c567eb6025
Manifest377f1ef8fca6d0415560ed3aebbd813cff6cbb561638bb8298cd8fcd3f0fbc2a

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
SignatureeFOlH7wbNgzP2Sv1Nu0ee4e2RS12A+F3ZncxpvQH0lu3mb4LjUwF79dt0eMPazUJ4tu5++1/YLqnsReMhGaxBQ==
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

2026-09-17T09:22:08.066115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103392
observed 9d4d25b086e49bbe0c5eeb05c26dad7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.047867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103392/manifest.json
observed 377f1ef8fca6d0415560ed3aebbd813c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.030919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103392/publication.md
observed d210bdcd62dfbb5d94c4bba17380994c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.014103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103392/publication.txt
observed c82a458f24984c7253a049536486da3b...
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.