OpenTechnical

OT-2026-000056016

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after set-down

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-2026-000056016) never changes.

Identity and time

Publication numberOT-2026-000056016 · never reused
Internal UUID01a0ae87-0a4a-7087-835d-45b685901da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056016
StatusPUBLIC

Content hashes

Canonical text23cc423c514c9d5dcce792eeb21552bc7079f887810f2d2b6da00445e1fa1bde
Markdowne4d37c30d65fdef6fb0fb96b8c1a71d42854a5b6599791c60f96e5e8668066b5
PDF
Publication pageae335b5e71b787a0fe9e1cf878b6e1c2e652399649215a211da96692b21d04dd
Manifest3125c55a5546c05dcd204a8150ed062dab87c75b30a9eda0509e546f5c57ee0b

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
SignatureDKN3VC1imthTziRkgQ1jSjtynm4WDG7NmyVzu1InmCFRa8KFnpupHrfmX5rtvHOJ5cryNWuQPXRkrZdG1MomDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:32.606185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056016
observed ae335b5e71b787a0fe9e1cf878b6e1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.588224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056016/manifest.json
observed 3125c55a5546c05dcd204a8150ed062d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.556501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056016/publication.md
observed e4d37c30d65fdef6fb0fb96b8c1a71d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.527058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056016/publication.txt
observed 23cc423c514c9d5dcce792eeb21552bc...
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.