OpenTechnical

OT-2026-000084930

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000084930) never changes.

Identity and time

Publication numberOT-2026-000084930 · never reused
Internal UUID01a0ae99-43b7-7e2c-bb14-5044070475f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084930
StatusPUBLIC

Content hashes

Canonical text1000e07841f71d1f2300f0dae4943c215cefdfc839e5bdf46ee7b6965999255a
Markdown6d8cb7d132b914fa558929fedcba3550c9c7103da7cb049c110b6fe45a9d2faf
PDF
Publication pagecb0e441683d26730de0d198f706d59d00350e318f1e7b8c4fe50be1f0d8399c4
Manifest49095090d08bc1ac13f73c97733c09fd222360f2a79579ea732453bacc4633d1

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
SignatureSdaEO3tRyfZ679FIOGDSaCNPsAf0/0AGzQvbKF27qgW2z9Gq7hT+cRpavcZcwO3+NOPKq/4Ha9W6Ho0TGUJ9Bg==
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

2026-09-17T09:54:55.094339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084930
observed cb0e441683d26730de0d198f706d59d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.077989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084930/manifest.json
observed 49095090d08bc1ac13f73c97733c09fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.061133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084930/publication.md
observed 6d8cb7d132b914fa558929fedcba3550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.044877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084930/publication.txt
observed 1000e07841f71d1f2300f0dae4943c21...
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.