OpenTechnical

OT-2026-000031379

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000031379) never changes.

Identity and time

Publication numberOT-2026-000031379 · never reused
Internal UUID01a0ae74-87ad-7f88-95a0-01a47413ba25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031379
StatusPUBLIC

Content hashes

Canonical text1e874b773d6510eeb089b658960d3373abd78104cc6f794c1e90d970668eeed3
Markdown61f7197adc4063fcaeab133861817917a7fc8d1945f177ecabb488d5d1346eb4
PDF
Publication pagefbf02b93aa5f9a0eb92ad09fe0e3a1baee1817dc00b7f0818240625f7cd21afe
Manifest0250d485ae9ed4d049a8e387d34d49b6b11f1896c4697f14a44e77efffcb33ee

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
SignatureuXdC5Y0ourUFWHHSVuGTvBZv5elO1RJB7lcLsK9RQoQHIh1uA6CDzxycusF+YzqHarXYKFGa0mNxzEvA3FKbDA==
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

2026-09-17T11:36:05.151992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031379
observed fbf02b93aa5f9a0eb92ad09fe0e3a1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.134204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031379/manifest.json
observed 0250d485ae9ed4d049a8e387d34d49b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.115952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031379/publication.md
observed 61f7197adc4063fcaeab133861817917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.098158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031379/publication.txt
observed 1e874b773d6510eeb089b658960d3373...
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.