OpenTechnical

OT-2026-000043684

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000043684) never changes.

Identity and time

Publication numberOT-2026-000043684 · never reused
Internal UUID01a0ae7b-92d0-7d7e-a67a-b01b75ec8db0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043684
StatusPUBLIC

Content hashes

Canonical text3dda0ba96cfc9d0268e41b9d0b8872bdd904bc9cd855a9a8dbb4c889b009605e
Markdownca367ec30765d71016217c942fb1f0894b56079e5a85caed40bcf110dbe7391d
PDF
Publication pagef74cf491fed4b1048a5fc010f639ff5e497d24e873ce6e7f4ef3cb3203806d8a
Manifest4f0c9492eccaf942f3b15fc2452aad613d708a6b4dcab9b0e050855ebcd6a9cf

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
Signature+MOo9qZmwcbY+1vuUhfCHukhm65alW98XIcKThYbsOGJLADNGLjopOze0Jf6J2JIJEFh39/UKyM+pFpoeAJNCw==
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

2026-09-17T11:13:10.559560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043684
observed f74cf491fed4b1048a5fc010f639ff5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.539139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043684/manifest.json
observed 4f0c9492eccaf942f3b15fc2452aad61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.521127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043684/publication.md
observed ca367ec30765d71016217c942fb1f089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.499885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043684/publication.txt
observed 3dda0ba96cfc9d0268e41b9d0b8872bd...
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.