OpenTechnical

OT-2026-000003824

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, 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-2026-000003824) never changes.

Identity and time

Publication numberOT-2026-000003824 · never reused
Internal UUID01a0a90b-2aad-761f-8770-a3394eaaac92 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:56.463545Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003824
StatusPUBLIC

Content hashes

Canonical text6c581c29b718e652a7cb56e4cd03dd91dc80dc887ad396208456b15d427b4336
Markdown4efa498597c91d45e11579645bdeb1d4a1a3fb142261b835c46f3df39bc1806b
PDF
Publication page5c6fb1148a091f5ac52f4cc0049fcded21589ffcae77f7264623ef6ded9a80df
Manifestc602309938335fb54379a84f43c7abff7a12a7e2b055d6754b7635e7b424825c

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
SignatureX74OEqi1UxM22qGa0xN6f6IlWNoSa1QMeytHZyRCb77MnnRVjIWikR+YjpxRNNXpw1yOjv9ZFqfqVYZ5pJixAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:18.181136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003824
observed 5c6fb1148a091f5ac52f4cc0049fcded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.166166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003824/manifest.json
observed c602309938335fb54379a84f43c7abff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.149500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003824/publication.md
observed 4efa498597c91d45e11579645bdeb1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.133321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003824/publication.txt
observed 6c581c29b718e652a7cb56e4cd03dd91...
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.