OpenTechnical

OT-2026-000069341

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000069341) never changes.

Identity and time

Publication numberOT-2026-000069341 · never reused
Internal UUID01a0ae90-b529-7fe2-abcf-5ac942f7343c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069341
StatusPUBLIC

Content hashes

Canonical text8c01acb94a99881c4b6898451f128f97dc1ef8e379a6c29c3dd877d4956f077a
Markdownb9c7aa82f0058d7f657c7010caccc0ac085de24668a2c9af20ef3769c2ddbaa5
PDF
Publication page9c7befbc17f0f34e6d47f725f3030073ee4803fa2aebbc48a5b65481e269d950
Manifest7c0cadf174a0bd14ccc59cce2aa6c0e79b501a6b2bc10f5e05a502c0d1749da5

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
SignaturetC2tVvsYaNGy9OrZDbaBhGws2KtHexCv+SjRwTFElaCfMjPKfTFdaB1JKkB39rm+HkOt3RJ6Irgb4OdNeW4MDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:14.072001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341
observed 9c7befbc17f0f34e6d47f725f3030073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.053505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341/manifest.json
observed 7c0cadf174a0bd14ccc59cce2aa6c0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.032926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341/publication.md
observed b9c7aa82f0058d7f657c7010caccc0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.012262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341/publication.txt
observed 8c01acb94a99881c4b6898451f128f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.523560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341
observed 9c7befbc17f0f34e6d47f725f3030073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.506904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341/manifest.json
observed 7c0cadf174a0bd14ccc59cce2aa6c0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.488872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341/publication.md
observed b9c7aa82f0058d7f657c7010caccc0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.469623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069341/publication.txt
observed 8c01acb94a99881c4b6898451f128f97...
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.