OpenTechnical

OT-2026-000074945

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000074945) never changes.

Identity and time

Publication numberOT-2026-000074945 · never reused
Internal UUID01a0ae93-ac2d-7fbd-b13d-203ee50f2f58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074945
StatusPUBLIC

Content hashes

Canonical text66a7e88180c813ad581effa638b93f7e3260ddbbfefd7dd77ae8ddc7f7974c4a
Markdownb4f48885901f6a01134aca80f887185ed5ae1ceea81dde4d479ea864f9ca2636
PDF
Publication page55d28a6094fea41e59e25f1106ccf0bf49e99cbd047d3fb21d2fc41fae66321b
Manifestb10b8e713c20ce37ea987656426431f7c782dfa9315c23eafca712d2e8613e79

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
SignaturezTww7X8FQ5vp3nCn50U+8oYUcwa05jpoEbN8Mv4/CC4tkdVJbwPwRI7jxNamhrMbTvhUhN1uF2pOy3VVqsEXDQ==
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

2026-09-17T10:18:40.550547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074945
observed 55d28a6094fea41e59e25f1106ccf0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.533991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074945/manifest.json
observed b10b8e713c20ce37ea987656426431f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.517852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074945/publication.md
observed b4f48885901f6a01134aca80f887185e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.501842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074945/publication.txt
observed 66a7e88180c813ad581effa638b93f7e...
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.