OpenTechnical

OT-2026-000016191

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000016191) never changes.

Identity and time

Publication numberOT-2026-000016191 · never reused
Internal UUID01a0ae6e-2d11-7106-8649-6404e8e19571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016191
StatusPUBLIC

Content hashes

Canonical text95de3e44d6062612f614b1d37a91caa4f270ac0c4f9d978fc79af864edbaa49c
Markdown58ab4146e49a88c16d593d069159fdf81c92448d3c691d63e001c922a80041e1
PDF
Publication page3abf833120e830e0bed4bd55afe43738fb0708482b05814eade5dcbbe580208f
Manifest7797b60a09ef89d00dd04d2dac44a3303869abd653aa57b3f997e79b08c9b81a

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
SignaturePfmmX+f7CHF1RBb24siA2TqhGL9juUfwKEnzjLDXKFzUeOcx/sXxAvWBGgYwpnhD8cjO447HX/qL7eEBHjgkAg==
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

2026-09-17T12:03:38.835080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016191
observed 3abf833120e830e0bed4bd55afe43738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.818353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016191/manifest.json
observed 7797b60a09ef89d00dd04d2dac44a330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.800475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016191/publication.md
observed 58ab4146e49a88c16d593d069159fdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.782106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016191/publication.txt
observed 95de3e44d6062612f614b1d37a91caa4...
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.