OpenTechnical

OT-2026-000005233

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, pressure verified, rubber cups, oval form

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-2026-000005233) never changes.

Identity and time

Publication numberOT-2026-000005233 · never reused
Internal UUID01a0a932-3ab7-727d-b19b-7b7f6e5b6255 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:50:36.474682Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005233
StatusPUBLIC

Content hashes

Canonical text2b4ba83de1a3cbd3e81606362b1c7b7f37b28fdd75a7d92afdc2387a1de89db7
Markdown560a6ba2a69d4ca6526933b3b8da1efa079fb3e2dcc90d8358f1787afd79cdda
PDF
Publication page03ecd32d6bc5a0b030aead4aa499df7891c19629fdab213108892bd903e10a46
Manifestec3a0a3abfc4790f5ef2edb97d26e7ec6180ba0409e69119510c9a492a130e1b

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
Signaturew+dpqMwbELdbKhR72eG1W+1++eWl2o7KIagBv7Qw3hyHWxeIj0+rPDFknLBHiscpn9yjlUV19zYIjciq1OKnBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:32.721251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005233
observed 03ecd32d6bc5a0b030aead4aa499df78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:32.706900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005233/manifest.json
observed ec3a0a3abfc4790f5ef2edb97d26e7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:32.693390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005233/publication.md
observed 560a6ba2a69d4ca6526933b3b8da1efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:32.679309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005233/publication.txt
observed 2b4ba83de1a3cbd3e81606362b1c7b7f...
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.