OpenTechnical

OT-2026-000082293

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000082293) never changes.

Identity and time

Publication numberOT-2026-000082293 · never reused
Internal UUID01a0ae97-4d94-7659-a4d4-7071fbf83d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082293
StatusPUBLIC

Content hashes

Canonical text194b441cfeb0d7999082d2d45a65fe1826c1f6fe91b6702ad5dd2af3449dd94b
Markdown72f5e88d9bef126a3c4e582162c18e6c140017271964a3010b3be65777c92cc1
PDF
Publication pageceb96a35cb930989e13c22921408797df6c617fdea19e5b48af146ea65ec2e02
Manifest6b38560e905eadff51b80d4446b769ec1b2774cfda84e7ab80fbc109c525f4c7

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
SignaturelzP7pSjTLPqDZjAn1pVyQ64xXpHD6VpT0Cyu1WkNDBToU/lQ9kFbrE47fZRFdOvTjOMaUJbbwtz1nwESkz8hCg==
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

2026-09-17T09:59:09.215565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082293
observed ceb96a35cb930989e13c22921408797d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.197297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082293/manifest.json
observed 6b38560e905eadff51b80d4446b769ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.178620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082293/publication.md
observed 72f5e88d9bef126a3c4e582162c18e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.161391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082293/publication.txt
observed 194b441cfeb0d7999082d2d45a65fe18...
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.