OpenTechnical

OT-2026-000019410

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line 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-2026-000019410) never changes.

Identity and time

Publication numberOT-2026-000019410 · never reused
Internal UUID01a0ae6e-f393-7775-9226-b89b5a61f583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019410
StatusPUBLIC

Content hashes

Canonical text4b07969d1306d669f44f5d9fb64570b54cbc87e8df34603502102f162674ed9b
Markdown9eb4548b091f1665ef5dbdfe94d6621c302a37de6020281c2488b83a7dbe6361
PDF
Publication pagef479697dcda0185bfca272337e682672f8dbe5d89fcb7a833c28e470f8460cc8
Manifest562df4877c658a71910c88ca4047b0bd5fed9499bb39373b95e8004a1753f3c3

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
SignatureyuAudPwe1fiGyBp5rxNdeVV4jKp0j8joTV65NTuPjDwW0lUaBxBJBGicuV5ZJ0lvY0gAP2+Dm3n2SCA0qSyrAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:47.956679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019410
observed f479697dcda0185bfca272337e682672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.938762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019410/manifest.json
observed 562df4877c658a71910c88ca4047b0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.919839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019410/publication.md
observed 9eb4548b091f1665ef5dbdfe94d6621c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.902068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019410/publication.txt
observed 4b07969d1306d669f44f5d9fb64570b5...
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.