OpenTechnical

OT-2026-000068085

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000068085) never changes.

Identity and time

Publication numberOT-2026-000068085 · never reused
Internal UUID01a0ae8f-c4fe-7e43-954a-95e64e398769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068085
StatusPUBLIC

Content hashes

Canonical textb5f43916ac775b5b7c9ca8163e5345655214c5cd59c69940101a9243f7304e8e
Markdownff5c64e41f75cda5fc2aa4d1790792308df4e067b52c260c72209f71b7be1f1c
PDF
Publication page86bbd9720745c60eb8a1c2c150e9f8fde9d59140fe3d98aeb8284bff2d2ceabe
Manifestc76363b245c891842addfa15b72c3fc74979a8de1a4b60dff3da46b9e72fb114

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
SignaturegQm84n0bNvMN8g37XI/f/pNh6Wju6jDHzu7L1t3T6Q/R9Mk/Rl5QRNwM1tIWUyxoCsoeo/wnjGBz58/7wbYpCA==
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

2026-09-17T10:30:40.696410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068085
observed 86bbd9720745c60eb8a1c2c150e9f8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.678585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068085/manifest.json
observed c76363b245c891842addfa15b72c3fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.658882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068085/publication.md
observed ff5c64e41f75cda5fc2aa4d179079230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.639194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068085/publication.txt
observed b5f43916ac775b5b7c9ca8163e534565...
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.