OpenTechnical

OT-2026-000103970

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103970) never changes.

Identity and time

Publication numberOT-2026-000103970 · never reused
Internal UUID01a0aea5-15e8-7299-8f36-05e9e4459d81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103970
StatusPUBLIC

Content hashes

Canonical text5308cac82935a575d5d9141c84683ef5c4e84f10b9ed8cd82e11d53c36970086
Markdownfac49cf7a079bdbc177264f5cadcbe0a8fed75dd0f98b6efeebc19b0b901af58
PDF
Publication pagee83137c3ccfbbb90f19e78dceb812c13cb729e0b6ea3378b8c11483e37344f6d
Manifestf87f35ad63c80d29e1d444b0aafb219648f290d4d94498f15faaa04c9e911953

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
SignaturebXb0bpCse+c/7OgslY2UTNkCVFK9396oTWBkzlhOYF6WtFJFpamQaXZ3bdHZlElarntLNe1nshYwYP69L7UMAA==
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

2026-09-17T09:21:58.523602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103970
observed e83137c3ccfbbb90f19e78dceb812c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.508275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103970/manifest.json
observed f87f35ad63c80d29e1d444b0aafb2196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.490996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103970/publication.md
observed fac49cf7a079bdbc177264f5cadcbe0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.472045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103970/publication.txt
observed 5308cac82935a575d5d9141c84683ef5...
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.