OpenTechnical

OT-2026-000075333

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000075333) never changes.

Identity and time

Publication numberOT-2026-000075333 · never reused
Internal UUID01a0ae93-f200-7e19-ba34-9800f38a953e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075333
StatusPUBLIC

Content hashes

Canonical text05d0b0370193d854f6b06a7b8da0051ba6b5172fbd7d154357a8c6a29bb4db9d
Markdownf3ba9e8974f7f4ec126329c93691af64d1f9db163cad2973d759d0d50c2c9b17
PDF
Publication pageb5dcbb04640e9f96310d2b7025c791bac1be19d78eaa48ebd84104a1b71b5216
Manifest05b01f443ce658e448c8ac09fa05fa49fb1c8166871f9de3a05c2c3002b519ee

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
SignatureDb7BCjy59WD/FzbSB5TH9rfQFBuiHykKaFGqnbGJi7DQsJlAyFQtqL6H3WWG/gAzQ9bZx5AMx4piEAw1sbddDA==
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

2026-09-17T10:17:13.505920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075333
observed b5dcbb04640e9f96310d2b7025c791ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:13.484628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075333/manifest.json
observed 05b01f443ce658e448c8ac09fa05fa49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:13.463662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075333/publication.md
observed f3ba9e8974f7f4ec126329c93691af64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:13.444599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075333/publication.txt
observed 05d0b0370193d854f6b06a7b8da0051b...
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.