OpenTechnical

OT-2026-000020645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020645) never changes.

Identity and time

Publication numberOT-2026-000020645 · never reused
Internal UUID01a0ae6f-65e2-7e1e-9d47-9d3bdce4aa00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020645
StatusPUBLIC

Content hashes

Canonical textb258a4ffb312959c723a45d996a72a699f247533ec4a3c595c5bf95de8ea5544
Markdown2aa6e382b229b187d2b02028554d6e4aff88bf6c637f1ecd3192cb021ab6b31e
PDF
Publication page497a803e32d16ea790ad228413a5715c396f3608ef0a30b5b59f4e0caac274d1
Manifest25f294a51a3e565507ec086d4e0959ea1b60e5ee7ce3dcb17064832863bbdd3e

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
SignatureLlRiG2ObTwMAN8ViJ3Wdys7WkfoEwZdfvtVEGPD98jmP+h/0cg1NzqMLaP+B7WyIAHj4BrdCIoDwY19lC6x6DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:55:35.804377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020645
observed 497a803e32d16ea790ad228413a5715c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.784808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020645/manifest.json
observed 25f294a51a3e565507ec086d4e0959ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.767832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020645/publication.md
observed 2aa6e382b229b187d2b02028554d6e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.748012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020645/publication.txt
observed b258a4ffb312959c723a45d996a72a69...
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.