OpenTechnical

OT-2026-000103381

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000103381) never changes.

Identity and time

Publication numberOT-2026-000103381 · never reused
Internal UUID01a0aea4-e460-75fd-96ba-85fab5801c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103381
StatusPUBLIC

Content hashes

Canonical textb5799a62b6bb33631065dab92942525855d34d9bbe285f676a0c8b683f17971f
Markdowna6e8b1fb59b3c0955bb232016a0b43343db797ee2cce130ea6cb70f37b31021c
PDF
Publication pagec42e87fa44c41fac09c928c95c5def0d0b6129e6346d17de6af8ad72bedc2a17
Manifestf6b044ddba207e8c166a6200c22613a8b16ace62d3fdf25681b9458f913c3210

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
SignatureMJF5m1IJ3M1NAiPywlmDPgky3MXiOYmf+vNa+ROv7Ndd1r/shZV7tKeOzDrsGjjDceNSnbrfZ0fVs+owl9PHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:07.266417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103381
observed c42e87fa44c41fac09c928c95c5def0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.250947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103381/manifest.json
observed f6b044ddba207e8c166a6200c22613a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.234057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103381/publication.md
observed a6e8b1fb59b3c0955bb232016a0b4334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.217521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103381/publication.txt
observed b5799a62b6bb33631065dab929425258...
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.