OpenTechnical

OT-2026-000033279

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed 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-2026-000033279) never changes.

Identity and time

Publication numberOT-2026-000033279 · never reused
Internal UUID01a0ae75-897f-70ce-b766-d6c8df0bafb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033279
StatusPUBLIC

Content hashes

Canonical texta77cb6c4c371ba5666cdd553b63b4fd6cfbd2ca68699c99eb7740beeb31ea10d
Markdown2d45ea9f7a2375dd961fd6fdfb737db726ef49bcca0906b6445f9d9e4b4dc794
PDF
Publication page3f552e4082a316fae570a027cf4c29029ac7dbdcbd405fe37672044413a49161
Manifest4c774f89f754f66df429b12d3aa4bc961393edc93bf6b896656675d6d792ac9f

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
Signature5dbSaBXaT1T0iWbI7ohHdFvt7KkwD+8O1eGzWlE63A+olLQ8AXAbzBuVg86o2UETe2QEPqMGfs2bQIpR3mkvCw==
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

2026-09-17T11:32:01.154564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033279
observed 3f552e4082a316fae570a027cf4c2902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.136962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033279/manifest.json
observed 4c774f89f754f66df429b12d3aa4bc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.120024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033279/publication.md
observed 2d45ea9f7a2375dd961fd6fdfb737db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.101494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033279/publication.txt
observed a77cb6c4c371ba5666cdd553b63b4fd6...
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.