OpenTechnical

OT-2026-000008940

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000008940) never changes.

Identity and time

Publication numberOT-2026-000008940 · never reused
Internal UUID01a0ae6b-31b7-7bb3-a893-ca5386bd9c0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008940
StatusPUBLIC

Content hashes

Canonical textafff9f6e1cfcb6b1f06f8567c1c800cc429db7d7aa62e323fecba99e26da5357
Markdown5d7a46bdd580f41918d0b09147f9e23469b077830853872c353c56d6df4ecef8
PDF
Publication page61337c6e0ba73540c3f24d2b4beb495b95b70eaa402aefea3278a785ff4d922d
Manifest354e70cc967b392cab950c664380bd8b0b87302d0437f37c1fd61bed69aa2f61

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
SignaturedHK+rkPYIVftntrabLizBRXf9tKR9oKnXjgKa8k3pX23eJzwvaiJcurkMHQvpQDUd+J5uYKDeK0Jh1gZ6MNhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:22.214470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008940
observed 61337c6e0ba73540c3f24d2b4beb495b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.194538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008940/manifest.json
observed 354e70cc967b392cab950c664380bd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.171921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008940/publication.md
observed 5d7a46bdd580f41918d0b09147f9e234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.127200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008940/publication.txt
observed afff9f6e1cfcb6b1f06f8567c1c800cc...
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.