OpenTechnical

OT-2026-000074193

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074193) never changes.

Identity and time

Publication numberOT-2026-000074193 · never reused
Internal UUID01a0ae93-7178-737f-bedc-ad9525b1b81f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074193
StatusPUBLIC

Content hashes

Canonical text412e9cae2bf35c2befa5ff01230f8fd3802bc0b16e4c42a0d2670b4fdd14b8c4
Markdown3f77032195f1a1bef5de057f6189fe9951fbc6958ba649d3ef03bc3a1567c99d
PDF
Publication pageee024bac771fcfdd66a0e3876d960ece20f61397c057b2b9c3f1a0d66eacbefe
Manifestd0d57854bb237fca5a34954f8cdb4a40bc6bc6ebc52f7e9cc120861a467d1232

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
SignatureXwGUuqbwLex+aGrnuVu+j1MXzFeNYIC8rTb4sETGM4i/+/vdpw2SaruvKvssqCtpVKkgRTTOdLq0s5Jh7ADVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:02.870019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074193
observed ee024bac771fcfdd66a0e3876d960ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.853485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074193/manifest.json
observed d0d57854bb237fca5a34954f8cdb4a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.836418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074193/publication.md
observed 3f77032195f1a1bef5de057f6189fe99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.818825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074193/publication.txt
observed 412e9cae2bf35c2befa5ff01230f8fd3...
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.