OpenTechnical

OT-2026-000081951

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000081951) never changes.

Identity and time

Publication numberOT-2026-000081951 · never reused
Internal UUID01a0ae97-0f77-7e1c-8b86-2105c9603d1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081951
StatusPUBLIC

Content hashes

Canonical text0a699bef2aa9fc1c83a9eac10893d8c47598a8a6073d44125b76aeda5ebcad27
Markdowndb1c94ea69e5e66ab3e1cf6bc6a56a447ea751c374d7a3008162aabfc27323d9
PDF
Publication pagec6cfec0320c8a3f0f0510cb16b977ab25c812b345b2e31ba828b4a69348a7957
Manifest96659f163c4cef43eaa8274b62fa7740c583f1b3cf16a50648ca059c50fbbc9b

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
SignaturefgrHfSXQrNqHVECgUqQqIx9Yl8ERV+DuwzPk0caWtBrf2h14WQk1EGqrnagT73TNN684McVE4hOFNnJYRah6Cw==
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

2026-09-17T10:01:05.159620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081951
observed c6cfec0320c8a3f0f0510cb16b977ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.142409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081951/manifest.json
observed 96659f163c4cef43eaa8274b62fa7740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.125408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081951/publication.md
observed db1c94ea69e5e66ab3e1cf6bc6a56a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.108083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081951/publication.txt
observed 0a699bef2aa9fc1c83a9eac10893d8c4...
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.