OpenTechnical

OT-2026-000050412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050412) never changes.

Identity and time

Publication numberOT-2026-000050412 · never reused
Internal UUID01a0ae82-5c48-7354-a23b-b163aadb712a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050412
StatusPUBLIC

Content hashes

Canonical text310c7f5f8493fdfeeaa9b1a0485c598e22ba4c2a84ceeeb3b1f8e132426405af
Markdown605bf46ca5550629f2a34a9b14b191fcfd7db716296314363aed73c6a7e2d76f
PDF
Publication paged397e40e206c94efb9fa353aa373ed2ca350c9094ecc4ba215ca2dcc45cd5153
Manifest8aef90157a3c25c4dda6ca89e8f8d9c404e1f4e61934e093532756c5fe29c2a7

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
SignatureTWe+nmxgwkCdvcxCUVqgUhZdQHzPNgH0jPAHnAOO8scV1OpCwfXZNJlhQeIb6EZSXfZj+5EM3ItWN/RadA/fAA==
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

2026-09-17T11:01:27.331101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050412
observed d397e40e206c94efb9fa353aa373ed2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.314089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050412/manifest.json
observed 8aef90157a3c25c4dda6ca89e8f8d9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.297640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050412/publication.md
observed 605bf46ca5550629f2a34a9b14b191fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.279888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050412/publication.txt
observed 310c7f5f8493fdfeeaa9b1a0485c598e...
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.