OpenTechnical

OT-2026-000078300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000078300) never changes.

Identity and time

Publication numberOT-2026-000078300 · never reused
Internal UUID01a0ae95-7c27-7d1b-b919-38a808200ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078300
StatusPUBLIC

Content hashes

Canonical text9b4a72d5a1609befc39692146689658b1ee22ef4db7a92ad4deb84b928c7bcbc
Markdown332fee6e7fb072386d1f4fcd2997ca4b6d3f7b0c2701a455d288524ad23b4d39
PDF
Publication pagea8307d6ffc3512d816d72e0b50c1a0270f74248167424504d4d46159dcb87f58
Manifestee8098b2a32ff18cf621f77ab2961db4c88224fa403bb2ef079bfbbb4bdeeeda

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
Signatureb26EmNfk3szKyA29TdqxAPwAsiDyQJ1zLICeUOJYW1FYChhcI7RXQvq6+LFlfyW82b82sSnG1vKJ1pZhCPELAA==
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

2026-09-17T10:06:01.544276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078300
observed a8307d6ffc3512d816d72e0b50c1a027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.527194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078300/manifest.json
observed ee8098b2a32ff18cf621f77ab2961db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.510485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078300/publication.md
observed 332fee6e7fb072386d1f4fcd2997ca4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.492103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078300/publication.txt
observed 9b4a72d5a1609befc39692146689658b...
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.