OpenTechnical

OT-2026-000085717

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000085717) never changes.

Identity and time

Publication numberOT-2026-000085717 · never reused
Internal UUID01a0ae99-aaae-79fc-833c-ff685add0767 · 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-2026-000085717
StatusPUBLIC

Content hashes

Canonical text5072b0dde7806459432c007fe033202a413fb941d34fedce1cc14be6568345da
Markdown36e9898434bac66199f38d8d045a64b395c5fe9e8d2a0ce7bb6e7ca1af8a2764
PDF
Publication page84f8e62611b0ffdba13bfe8689d6da5714d7fcf537cfbcaf6470147b333b48f5
Manifest9422ccdfb42e9bbdb9aab799aac688c0ae082392266a7fc4f49adb1bf6c58956

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
Signature4qqiF9/+YPXcQA3AZ6rJXlPSXg6iWYIYzivYfB8KDgPkTzavE6uPu0Rhc0AOj3k0eF134nwoWTmQ7S6ajAnGCg==
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

2026-09-17T09:54:37.550429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085717
observed 84f8e62611b0ffdba13bfe8689d6da57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.532657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085717/manifest.json
observed 9422ccdfb42e9bbdb9aab799aac688c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.515457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085717/publication.md
observed 36e9898434bac66199f38d8d045a64b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.496758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085717/publication.txt
observed 5072b0dde7806459432c007fe033202a...
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.