OpenTechnical

OT-2026-000050971

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050971) never changes.

Identity and time

Publication numberOT-2026-000050971 · never reused
Internal UUID01a0ae82-c7b4-7eb7-988e-57c1fe5e4050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050971
StatusPUBLIC

Content hashes

Canonical text59b6fd6afc692f200ff2c5c048ad8a8b3fc29cda2a42da75931afbe9619dfd49
Markdowne12f3d4f69227611a3b6e4ac54eac0ebf5b57e999a87e5c08717ca3758998d4e
PDF
Publication pageaf53a6a97a8781c4db2cb476a7b42da64b41161841486771375ca0ee6ace986b
Manifestbc06746cb2a6823dbd060611c74dd998cd1c046c8492413c6c51e9631d4db659

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
SignatureLgas0w9HIc6dNpfROdUKG8j3Q8FoNuE6skwKajqybf6DDa0Lt/IDkE31cnSzUoXS8nobVYlSbjAcGz1xI0PLBQ==
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

2026-09-17T11:00:51.573327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971
observed af53a6a97a8781c4db2cb476a7b42da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.555178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971/manifest.json
observed bc06746cb2a6823dbd060611c74dd998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.535724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971/publication.md
observed e12f3d4f69227611a3b6e4ac54eac0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.516616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971/publication.txt
observed 59b6fd6afc692f200ff2c5c048ad8a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.507202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971
observed af53a6a97a8781c4db2cb476a7b42da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.489656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971/manifest.json
observed bc06746cb2a6823dbd060611c74dd998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.472304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971/publication.md
observed e12f3d4f69227611a3b6e4ac54eac0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.454047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050971/publication.txt
observed 59b6fd6afc692f200ff2c5c048ad8a8b...
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.