OpenTechnical

OT-2026-000100064

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000100064) never changes.

Identity and time

Publication numberOT-2026-000100064 · never reused
Internal UUID01a0aea3-1474-757b-97a6-b1f9a8f7c36c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100064
StatusPUBLIC

Content hashes

Canonical textf38f27a7b18035443a8bd10a096745ac45117decca7fd742308fd324416d49e5
Markdown39ac40abb3c312c531e2ebfc4644d6e2e443b6accb70b153b80547a3224e40cd
PDF
Publication page2889e1491c9e8e371a5f6eb01ffeb15f78881a55439e4dd61d92f9222cf63532
Manifeste5d56f2cad439f5a54d2382eba706ada44e1dda1d78df9a4aea702d6a8c0becd

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
SignaturezsLgFmLMOpndrh/h1W26y3FNCVNcYQlTwGrRWSpQvT5fj+rbI0BXnogKiZh9BAp7yJS7VYjGb8ZZQgqYV9FqBA==
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

2026-09-17T09:29:00.591254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100064
observed 2889e1491c9e8e371a5f6eb01ffeb15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.571685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100064/manifest.json
observed e5d56f2cad439f5a54d2382eba706ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.552388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100064/publication.md
observed 39ac40abb3c312c531e2ebfc4644d6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.531787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100064/publication.txt
observed f38f27a7b18035443a8bd10a096745ac...
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.