OpenTechnical

OT-2026-000085247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000085247) never changes.

Identity and time

Publication numberOT-2026-000085247 · never reused
Internal UUID01a0ae99-43bb-71e5-bb3d-45c4e494b302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085247
StatusPUBLIC

Content hashes

Canonical texta56a1920ad226c1a84155e4fd179ce3c2a71b6ea4f6dc296dc7888d770f34045
Markdownd2c06539db63f2b636c82f1f823600f7e878d38af6a3a5d3dfa4e25e1bd483ae
PDF
Publication page7a3e3f8c357c4d013129d67db705801b31ca61a4b7d241fd315d5a450464dcca
Manifest7de73a9e036d76fdd4fb3ee69e22eae20b1ebc435d3db3cca72eddaf3a939cfc

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
Signature6skt08ctiAteOl28/eGfYs+z/rBh81hBN0JBdRnJSkiEO6O9N9S1dNUJOF9z0+uTUDyiIDfl6a39070oZCvjCA==
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

2026-09-17T09:55:20.939345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085247
observed 7a3e3f8c357c4d013129d67db705801b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.921655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085247/manifest.json
observed 7de73a9e036d76fdd4fb3ee69e22eae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.902784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085247/publication.md
observed d2c06539db63f2b636c82f1f823600f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.884484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085247/publication.txt
observed a56a1920ad226c1a84155e4fd179ce3c...
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.