OpenTechnical

OT-2026-000101612

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000101612) never changes.

Identity and time

Publication numberOT-2026-000101612 · never reused
Internal UUID01a0aea4-0e15-7154-8b4d-bfa6bad28492 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101612
StatusPUBLIC

Content hashes

Canonical text4bcf257a93430c9c15bfcf0a5563770055493966dd298dadcc57470688de8f45
Markdownc3a3c8d0c4f2493162023a3c934109ae34a65869d5de8f77900e306f46895e29
PDF
Publication pagebf6239fde10b6cda0c87394d9169168e1d13296e935e11f721da2205ed78e210
Manifest2281066cbca609750fd74d8edadddfbe3fe5e5b5702da543becd9a5daee3134c

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
SignatureCZhVJPmv97rNi04RWfkb833to8j1UK/AFysNwTYTU+c41gUln4msVbt1dr9zs2uDJ2Fn69re7CGLKrcZQSZUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:43.850873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101612
observed bf6239fde10b6cda0c87394d9169168e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.832074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101612/manifest.json
observed 2281066cbca609750fd74d8edadddfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.812018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101612/publication.md
observed c3a3c8d0c4f2493162023a3c934109ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.793776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101612/publication.txt
observed 4bcf257a93430c9c15bfcf0a55637700...
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.