OpenTechnical

OT-2026-000003533

Publication integrity record

Porous face vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure verified

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-2026-000003533) never changes.

Identity and time

Publication numberOT-2026-000003533 · never reused
Internal UUID01a0a90a-4cd6-73a5-8ee7-cc9b70703e9f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:06:59.672818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003533
StatusPUBLIC

Content hashes

Canonical text51bd967f957596fec2b3a2253c42a5e28f9a8c833f84a1314e1501dcd2cf1cdf
Markdown05a63be4045d5c663b7a07afe8c12c5fbadc4be57899060b672c0807f8e982e3
PDF
Publication page9071d03d2b16436e32cdef312542ce53313d33d29cd81045ccdd9cb7427882b1
Manifest5f765e817a71bd81e5751d121ee3628f8e7bcc1a83c1dabb7ef64cb17df40c0b

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
SignaturefCFfqKoPWoLJNafVS+H4qKoqBjgmBO9/Tsd/TnN4QUQM25z8/F9FI6kRfJglBv5Bp5NLJJ6aL6m1xQqSTpvqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:07:02Z
batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof
root e9da7eb1c397f1749e5915c5a39dbbcf...

Independent retrieval

2026-09-16T08:50:34.629219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003533
observed 9071d03d2b16436e32cdef312542ce53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:34.490786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003533/manifest.json
observed 5f765e817a71bd81e5751d121ee3628f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:34.474525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003533/publication.md
observed 05a63be4045d5c663b7a07afe8c12c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:34.459166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003533/publication.txt
observed 51bd967f957596fec2b3a2253c42a5e2...
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.