OpenTechnical

OT-2026-000031059

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000031059) never changes.

Identity and time

Publication numberOT-2026-000031059 · never reused
Internal UUID01a0ae74-3fb8-7362-a84f-7b90356978b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031059
StatusPUBLIC

Content hashes

Canonical text7751080b786b73d73ae4050ceb6dae0714af4bf37723be65317d44a541fedafe
Markdownf2b5bf79bd7cf2689110b3c0421181cc26b59dbfa0b6112448921d6e8cb1f6a1
PDF
Publication page1011e41e4795ec131c00847e4ab2e4db80aea8077201dd919ce99b899cdbed32
Manifest51f174ce28e8b0afe458269a617c41e1ae2e73ba0a2681cd06bd4643de3ac4aa

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
SignatureyArO+Dh8tNXIUVXly/93E3HQpIUlHnTAoIfSjKdkhtAxmjeoRPj2FxV+UEpclvxW7qdW+38WhFHaxsegqLklAw==
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

2026-09-17T11:40:09.877910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059
observed 1011e41e4795ec131c00847e4ab2e4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.859031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059/manifest.json
observed 51f174ce28e8b0afe458269a617c41e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.839987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059/publication.md
observed f2b5bf79bd7cf2689110b3c0421181cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.819376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059/publication.txt
observed 7751080b786b73d73ae4050ceb6dae07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.650423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059
observed 1011e41e4795ec131c00847e4ab2e4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.635692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059/manifest.json
observed 51f174ce28e8b0afe458269a617c41e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.619679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059/publication.md
observed f2b5bf79bd7cf2689110b3c0421181cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.602565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031059/publication.txt
observed 7751080b786b73d73ae4050ceb6dae07...
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.