OpenTechnical

OT-2026-000087286

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000087286) never changes.

Identity and time

Publication numberOT-2026-000087286 · never reused
Internal UUID01a0ae9a-cd4e-7b29-91bb-43bf626c8d06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087286
StatusPUBLIC

Content hashes

Canonical text49304cb4477738bbcca4cd80c8cb1db16cadbf5be4ccef50984db7fa47749e1f
Markdown960a0d1531712e4e841d2dba95b5808bdd04df32007ab4b135d81ec43fbb4ede
PDF
Publication page0d75c423876685f89d62104fb3680fd086171650a3ba071a7e605efc7547bae6
Manifestf7f9949683e4e802e13077e05268c55eb091f6d4af26c94d291360136b5ff48a

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
Signaturejrr+NSMXgMZXjhx19bSjDdE+1WQ6WmrZ+5P45gvxM5jgKqpt2FlC9vDQnnVbXzSIZpr24cYHDXQoeukkr9xaAQ==
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

2026-09-17T09:50:26.282412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286
observed 0d75c423876685f89d62104fb3680fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.260419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286/manifest.json
observed f7f9949683e4e802e13077e05268c55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.259569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286
observed 0d75c423876685f89d62104fb3680fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.242199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286/publication.md
observed 960a0d1531712e4e841d2dba95b5808b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.238378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286/manifest.json
observed f7f9949683e4e802e13077e05268c55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.221038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286/publication.txt
observed 49304cb4477738bbcca4cd80c8cb1db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.217808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286/publication.md
observed 960a0d1531712e4e841d2dba95b5808b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.199477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087286/publication.txt
observed 49304cb4477738bbcca4cd80c8cb1db1...
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.