OpenTechnical

OT-2026-000023255

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000023255) never changes.

Identity and time

Publication numberOT-2026-000023255 · never reused
Internal UUID01a0ae70-7267-71c4-87c4-669a3acc3c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023255
StatusPUBLIC

Content hashes

Canonical text912b4764247640d68a7dcf4956c848611f5232815dee761ee49298b2d666c2f2
Markdownbdc5f83ba525c2ab7c09b70094471ad4eb42c9940b8c497cecd85a9a57433c67
PDF
Publication page916b87b660c4cabedf2a2052751204983d75ef254469e7ffa7eac47da45614c3
Manifest3bb85abddd81be186e8084f9f1b06b2e893bde9db540091afc651ab241ac1d90

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
Signaturerrib+R+obcqQvvNWp2maj1NM2+FQF/BtKLP9gh+K+PHI29cthRfMu+70qcl3s66aqjlZgIcr0BxUeDSQ9v6wBg==
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

2026-09-17T11:51:19.411608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023255
observed 916b87b660c4cabedf2a205275120498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.395011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023255/manifest.json
observed 3bb85abddd81be186e8084f9f1b06b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.379337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023255/publication.md
observed bdc5f83ba525c2ab7c09b70094471ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.362949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023255/publication.txt
observed 912b4764247640d68a7dcf4956c84861...
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.