OpenTechnical

OT-2026-000091296

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091296) never changes.

Identity and time

Publication numberOT-2026-000091296 · never reused
Internal UUID01a0ae9c-f16c-7f6e-90e9-8241c7c12a75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091296
StatusPUBLIC

Content hashes

Canonical textc0ece837bc1738e51eedb7cbe1d54ebc5d8992357425e49580ea92bc9315b106
Markdown6e98ccec9e8d84160cf6073e06404cc129e99df563e78cf5e384c21bcd94e84b
PDF
Publication pagecd29d4a8eddd5ca95e710ca8ff78b788d7cf9e4bf14afac8255701684a8b7278
Manifest842ee23b947c483bf5c69362a1ddb4c08da45b8a4069986849a214c5c24048ce

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
Signature2M+n+G404Nv9YfOe/7sSW2PVOBDFDhfAiVzB5kc3sXs6mI3Zci+f+AiBXDUS+8rRuXD2LU1agoDDQUTmRZuFDA==
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

2026-09-17T09:43:29.433677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091296
observed cd29d4a8eddd5ca95e710ca8ff78b788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.414918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091296/manifest.json
observed 842ee23b947c483bf5c69362a1ddb4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.398211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091296/publication.md
observed 6e98ccec9e8d84160cf6073e06404cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.378235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091296/publication.txt
observed c0ece837bc1738e51eedb7cbe1d54ebc...
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.