OpenTechnical

OT-2026-000029188

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000029188) never changes.

Identity and time

Publication numberOT-2026-000029188 · never reused
Internal UUID01a0ae73-2aa0-7786-8a1d-3fdf0aee7601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029188
StatusPUBLIC

Content hashes

Canonical text9d0659e401586ebb51deb80ead37f3f656b9027d71a93fc191a910852dcb972e
Markdowndbd07672f0ed95af2d5217a27c091289883cf4f5e53abda71f6326db9ca3b9a3
PDF
Publication page52bf32964ee79387cb8edaab6a3bb38c6edc413abd4ebaf1c85f67372219adfd
Manifestc0fe3900c73bd43998df0890332a0515d3b36cab9a6e9c585c4e1aad9dda0b51

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
SignatureTp5G9CLloqyURGJ5E+weMqnRo6J94CD6VCzfIx6WAhCrSL8CBtZ18XIPjgO84eJnmsfktAi+wVbDUW9XzSDuBA==
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

2026-09-17T11:39:41.344659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029188
observed 52bf32964ee79387cb8edaab6a3bb38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.328785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029188/manifest.json
observed c0fe3900c73bd43998df0890332a0515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.311200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029188/publication.md
observed dbd07672f0ed95af2d5217a27c091289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.294564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029188/publication.txt
observed 9d0659e401586ebb51deb80ead37f3f6...
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.