OpenTechnical

OT-2026-000033434

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000033434) never changes.

Identity and time

Publication numberOT-2026-000033434 · never reused
Internal UUID01a0ae75-a38d-7b95-9c06-cab9856aa07c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033434
StatusPUBLIC

Content hashes

Canonical text58e2a626757d683997557af55a5968f536572277fb53fddd0b88278824af1628
Markdown816896a604d3305be56cb360a5c53908dc44df52ea622c9755177a30a341aa6b
PDF
Publication pagee5c42b6a79c5f916f277427948452aee6769afe42da2868ad2532bbc70411423
Manifest0025a7f2060565d3076ebad82812a4658719669cc93965eca05fe8aaf7d5b889

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
SignaturepyRM+lYGL7iaHQW+mbeDnXRcQZ7oCk+XfzQ16o3O6W5+KWZxRKADMI+J5FyDva10VLGBZYcd4VELMAfEirAkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:15.765091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033434
observed e5c42b6a79c5f916f277427948452aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:15.699130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033434/manifest.json
observed 0025a7f2060565d3076ebad82812a465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:15.679772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033434/publication.md
observed 816896a604d3305be56cb360a5c53908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:15.647144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033434/publication.txt
observed 58e2a626757d683997557af55a5968f5...
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.