OpenTechnical

OT-2026-000087989

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087989) never changes.

Identity and time

Publication numberOT-2026-000087989 · never reused
Internal UUID01a0ae9b-1aa6-7b66-a874-ee5da937a26f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087989
StatusPUBLIC

Content hashes

Canonical text55bcd7bcb513e66b83b4af0ec15d63be08c59e2a31e4e57c5b25dd2c1bba2b39
Markdowne7e41a919275c2be18f9a59f458784a48e95a1b1e2d4232015a50ddd0d058b69
PDF
Publication page27bc89f03d37fe7bf83dfa584b1cba3b2570bf6a94598b1ae8b0d075a6c388e5
Manifesta86c1a2e574ed53306641e7913be35df4f6995930449aaa975a501ce56f4e46b

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
Signatured6LKgFdVNMPf0HZfXtW6NInZ/SJbWgsr4zgUzTli4thvHIElUqpt/QCZPd00ppUOt3CXbuQ/TLSoUFpP90KnCA==
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

2026-09-17T09:49:17.542251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087989
observed 27bc89f03d37fe7bf83dfa584b1cba3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.522997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087989/manifest.json
observed a86c1a2e574ed53306641e7913be35df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.503883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087989/publication.md
observed e7e41a919275c2be18f9a59f458784a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.484675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087989/publication.txt
observed 55bcd7bcb513e66b83b4af0ec15d63be...
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.