OpenTechnical

OT-2026-000032509

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000032509) never changes.

Identity and time

Publication numberOT-2026-000032509 · never reused
Internal UUID01a0ae75-106f-7626-b7b6-659252cf6f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032509
StatusPUBLIC

Content hashes

Canonical textc62f8c5fddc0680316418432cfba8cba6c7672b748992c8aff286528c370e499
Markdowneef2cb0c5011ab6d0c052c004ab45a2b0527f514477cec7d0bf3f1d6aed9c171
PDF
Publication page3b2b4277607aaeb99f63f20425ae3fc4f2af534b3f2ba7f1787ab650177615cf
Manifest57e3e21055eee89afb90c1943294fe64d23e353927a16be7e6c3bd9ce29c5d42

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
SignaturerHpB7SIISdAvQduN8a1FWFCWtvXvg/ADk2D9VlS8Z8Kx0sJQrcY6YgIVuYIyBAN20Uo6bFs7cBISzOCUcoExCA==
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

2026-09-17T11:33:57.101253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032509
observed 3b2b4277607aaeb99f63f20425ae3fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.084037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032509/manifest.json
observed 57e3e21055eee89afb90c1943294fe64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.064922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032509/publication.md
observed eef2cb0c5011ab6d0c052c004ab45a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.046302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032509/publication.txt
observed c62f8c5fddc0680316418432cfba8cba...
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.