OpenTechnical

OT-2026-000083819

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000083819) never changes.

Identity and time

Publication numberOT-2026-000083819 · never reused
Internal UUID01a0ae98-0418-7993-8e52-d48c5546090e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083819
StatusPUBLIC

Content hashes

Canonical text3c861daf79fb33d94e39399d95bd9f77235a7c33364d544515762ddbf2957a4a
Markdownf1b4f22bdf81619b5d23f206d4319c7cf5805bc3ee9760be7e2c788e67cd6d0f
PDF
Publication page4489da22450a60aa38e35272658178408660c6253d9d5acb5d89466949fd868b
Manifest6a0d7141577857f990ffeb14ae4c58a8e12159a4bc809c0d2f280eef33bb5bba

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
SignaturewqYmKr+gPae8ehVCSWkzCaqO8zEAZ5wo8A3ou7LRCM2yaES+i8mWazX9xAiebpWrlw9q6fKHnm91HuqlSVseDg==
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

2026-09-17T10:00:04.645882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819
observed 4489da22450a60aa38e3527265817840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.628066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819/manifest.json
observed 6a0d7141577857f990ffeb14ae4c58a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.608884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819/publication.md
observed f1b4f22bdf81619b5d23f206d4319c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.588322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819/publication.txt
observed 3c861daf79fb33d94e39399d95bd9f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.322315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819
observed 4489da22450a60aa38e3527265817840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.305505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819/manifest.json
observed 6a0d7141577857f990ffeb14ae4c58a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.289108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819/publication.md
observed f1b4f22bdf81619b5d23f206d4319c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.272873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083819/publication.txt
observed 3c861daf79fb33d94e39399d95bd9f77...
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.