OpenTechnical

OT-2026-000041840

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000041840) never changes.

Identity and time

Publication numberOT-2026-000041840 · never reused
Internal UUID01a0ae79-e8a5-7efc-a777-9c407bd0badd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041840
StatusPUBLIC

Content hashes

Canonical text19e47be3bbd67e48d758c4a7967bf7891d65dc40b8f0bcc70a95ad49e04c9a68
Markdownfebb4eb801314e936bf970b34926339fbb95209ca6438173a2bdc4e592da8d76
PDF
Publication page500c22b19891403ead231d5824d4ac8ea5964eeccd0e66d8ec04f51c1f21b81a
Manifest7dfdc0ac16e283d62a104e6917d0306d49890df07cc14f84bf36eb7b5a1f999c

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
Signatureh8RUUIvArEDagRC7lhBO0zoxfhKogTwTpa3Ivv/7jCtg5jkTyJbgQYMqtJh/4e1yk1wckfBNMkViPQ0BiZz6Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:42.423193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041840
observed 500c22b19891403ead231d5824d4ac8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.406096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041840/manifest.json
observed 7dfdc0ac16e283d62a104e6917d0306d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.388573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041840/publication.md
observed febb4eb801314e936bf970b34926339f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.370846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041840/publication.txt
observed 19e47be3bbd67e48d758c4a7967bf789...
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.