OpenTechnical

OT-2026-000091778

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091778) never changes.

Identity and time

Publication numberOT-2026-000091778 · never reused
Internal UUID01a0ae9d-43b9-72b7-8e04-84a89d035ed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091778
StatusPUBLIC

Content hashes

Canonical textfaa49b2248b0db487cecb39d50da43d0a0c80a2058d98b8bf4d6a663db1ba663
Markdown8dc973fcc6e606a033a70b5a57238a8b6a2910a6588b44ddac785010f131e66c
PDF
Publication page667a23fcec5984c473f4f12aafb66184d7760540e1ab8954f7a57e66951b3042
Manifesteb5ddee45e0a5443695d39a049baf2b14a3817a864db6578fd8f113f0c47fda7

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
SignatureyaMW7GLj+Kf0m+Xbb30x5fr/hANRRYEbLk84V8PtVVzi9wsDMk/jL5sCt+Co+Qai8SkDHQzK0X+OPrPx45k1Cw==
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

2026-09-17T09:42:40.473834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091778
observed 667a23fcec5984c473f4f12aafb66184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.456243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091778/manifest.json
observed eb5ddee45e0a5443695d39a049baf2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.421969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091778/publication.md
observed 8dc973fcc6e606a033a70b5a57238a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.391714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091778/publication.txt
observed faa49b2248b0db487cecb39d50da43d0...
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.