OpenTechnical

OT-2026-000062157

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000062157) never changes.

Identity and time

Publication numberOT-2026-000062157 · never reused
Internal UUID01a0ae8c-0abc-7b31-8201-6e9d2a5a1dac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062157
StatusPUBLIC

Content hashes

Canonical text6ec6bfa373777ceaabab5cc3e2a94be0e10a400eebed916dfdbe993cca7cc1cb
Markdown599b6318805e4452cf20a59c8a9bef6faf93bf8f2b392d5d3600f1fb34c3681f
PDF
Publication page2c1f964e15d8974043d520d4110d259dbf0898dcf7a7f6598cb86002da9aada2
Manifeste83e1e3408b3de4719ad5c1a813fb1e201fafbf9e589a37aec2cd004903d646c

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
SignatureixDHn7jWtT51mPK7mz5AguykkOeZ98m0f0YQq4mjdslkH8A0xK9yGwzoH8swXWwoPeklI1Ma8/9BRrfpkrz1AQ==
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

2026-09-17T10:39:24.499507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062157
observed 2c1f964e15d8974043d520d4110d259d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.482455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062157/manifest.json
observed e83e1e3408b3de4719ad5c1a813fb1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.466298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062157/publication.md
observed 599b6318805e4452cf20a59c8a9bef6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.451053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062157/publication.txt
observed 6ec6bfa373777ceaabab5cc3e2a94be0...
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.