OpenTechnical

OT-2026-000006393

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, pressure verified, closed cell

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-2026-000006393) never changes.

Identity and time

Publication numberOT-2026-000006393 · never reused
Internal UUID01a0a959-6af9-7900-bd33-06ab3f4e55f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:24.732725Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006393
StatusPUBLIC

Content hashes

Canonical text499ce9fc6054c0bfee6df3f36415715b90e909f278f6f98bd5deeb358d735bd5
Markdownd6fd66a02a8598e6f5fe78ab8300506bbbcc3ed6b8601ab97db49858a8db9298
PDF
Publication pagec7cc15b2abbd8b303e85f0a22ad6ff6dce75d9179962acc69cd4b152a586f269
Manifestce597b42c1f11fe396dafa574761b2c77fbc02e44e8f63fde9db2b6381167bbb

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
SignaturemxbhDlhXnrPpDqyEK3wMuyfWS53OMU72yu6DMRucmvkkAsKHg/BJwJ6ILbqxEw4kC4B8h9mAPxYeS3CHAfWKBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:22.884008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006393
observed c7cc15b2abbd8b303e85f0a22ad6ff6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.752133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006393/manifest.json
observed ce597b42c1f11fe396dafa574761b2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.739414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006393/publication.md
observed d6fd66a02a8598e6f5fe78ab8300506b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.726589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006393/publication.txt
observed 499ce9fc6054c0bfee6df3f36415715b...
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.