OpenTechnical

OT-2026-000073631

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000073631) never changes.

Identity and time

Publication numberOT-2026-000073631 · never reused
Internal UUID01a0ae93-2b8c-7696-832a-ac9ea4b7ae91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073631
StatusPUBLIC

Content hashes

Canonical text336489cf7214e63bdd614002bf321b8039f66184c8acbc1a43e63011e1f7fada
Markdown6ab70b7f1d0e55b5bf943fbe723fc318cc8071e2ae1d99e69018a9ed5e2050df
PDF
Publication pagefeb85e3ad0f0d241bb4af1c17c5042ba656eaff6b426f71a11fbe2cbb3eeba60
Manifest60cf534ac93b60841233f3a41eaa1331a9591c5d1fff88db0efba927b52a117a

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
Signaturei9hgOwE6lqvN7RtL2uU9fPDUNvirhoQJSFjtQUb7VKRRhCuLlggmrDV4ZZUjknMDjOCxuyokT/u2YJCX5nkoAA==
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

2026-09-17T10:19:40.435402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073631
observed feb85e3ad0f0d241bb4af1c17c5042ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.416802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073631/manifest.json
observed 60cf534ac93b60841233f3a41eaa1331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.400249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073631/publication.md
observed 6ab70b7f1d0e55b5bf943fbe723fc318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.382368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073631/publication.txt
observed 336489cf7214e63bdd614002bf321b80...
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.