OpenTechnical

OT-2026-000075219

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000075219) never changes.

Identity and time

Publication numberOT-2026-000075219 · never reused
Internal UUID01a0ae93-f200-7547-9411-7fb065f5ef67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075219
StatusPUBLIC

Content hashes

Canonical text6ec15614470d9b64ca59a86bb0788d57dc0cb287219b30a3614fd6177b33916f
Markdown3624a03b6066b7b49c961defa9b44227834945e7d1c81836a62537dd9c7a1850
PDF
Publication paged8f6dad595b131323ca0427ee75176e83db245eeefabfc495735d2883e781dff
Manifest52c645f0be2f1a5d726f99ec8afe61f77a222fd9248b3feb016ec89a3be5ec0b

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
SignatureNfSHhG6aohf+1YCt3uqYdN1VxZVNDBzieWSaPcKf/o3SDnKmPjv849liYE9OaXAbh1BJQkpGK+PmFnhkURS5BA==
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

2026-09-17T10:20:29.520376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219
observed d8f6dad595b131323ca0427ee75176e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.500947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219/manifest.json
observed 52c645f0be2f1a5d726f99ec8afe61f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.482544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219/publication.md
observed 3624a03b6066b7b49c961defa9b44227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.461850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219/publication.txt
observed 6ec15614470d9b64ca59a86bb0788d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.543705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219
observed d8f6dad595b131323ca0427ee75176e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.526271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219/manifest.json
observed 52c645f0be2f1a5d726f99ec8afe61f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.509497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219/publication.md
observed 3624a03b6066b7b49c961defa9b44227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.490754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075219/publication.txt
observed 6ec15614470d9b64ca59a86bb0788d57...
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.