OpenTechnical

OT-2026-000091633

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091633) never changes.

Identity and time

Publication numberOT-2026-000091633 · never reused
Internal UUID01a0ae9d-43b8-7121-817b-e429cfd43cc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091633
StatusPUBLIC

Content hashes

Canonical text293e91a05f7af544636d5d8412a6f3a639d26b4710a4e8ea7f27f7cf22f57286
Markdown28e8354daa8399ef7e87902b2fd57a75ca7de7d2760740a0fd81ee2faa156ce5
PDF
Publication page685263af9a4d78b5fe49c13396e40ba17de5df0505bd155638f3c6d49c27e8ad
Manifest4887fcc2c2b2aaad4024001811a62f7e6d7245b7019515ef7900af0c89e4a258

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
SignaturepNYuPkf3F2ws2JYHS18x+ojhHUJj43bdaS6n9VloBojnaTTnsrdLJzrm3WkrlnAtLGMsdFqofsKW+1ZHoEhwAA==
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

2026-09-17T09:41:59.909834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091633
observed 685263af9a4d78b5fe49c13396e40ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.892721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091633/manifest.json
observed 4887fcc2c2b2aaad4024001811a62f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.873226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091633/publication.md
observed 28e8354daa8399ef7e87902b2fd57a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.854252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091633/publication.txt
observed 293e91a05f7af544636d5d8412a6f3a6...
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.