OpenTechnical

OT-2026-000065099

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000065099) never changes.

Identity and time

Publication numberOT-2026-000065099 · never reused
Internal UUID01a0ae8e-1df9-7d7a-88d2-834d72b1d118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065099
StatusPUBLIC

Content hashes

Canonical textc1fddaaacae7fe1bd0e49fe07cbc015e7b630d446b424d4114d2819574da55b6
Markdownd771dbda344587954408ecfbe3a617b470d09b76f51ff23e6704e15f2e58edd1
PDF
Publication page55f2d7831a45516969df63daa56db60a03ffc98e26c15d6f4cb89b11ba4375f3
Manifest2ef1d146f5665274400e93b1748ea6d0adc39d14d822a7661d1e020c82e11181

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
SignaturezaEuYtDfDo6esTzD53m5PlHU1mF4srjfz2XpOH0Y/aP64B8+HOoVmTmCMcYIaBGhq72IoUiqM0C8b40nYpzGBw==
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

2026-09-17T10:34:24.546601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065099
observed 55f2d7831a45516969df63daa56db60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:24.529792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065099/manifest.json
observed 2ef1d146f5665274400e93b1748ea6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:24.512413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065099/publication.md
observed d771dbda344587954408ecfbe3a617b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:24.494909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065099/publication.txt
observed c1fddaaacae7fe1bd0e49fe07cbc015e...
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.