OpenTechnical

OT-2026-000085530

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000085530) never changes.

Identity and time

Publication numberOT-2026-000085530 · never reused
Internal UUID01a0ae99-aaac-71f9-83ff-777397c9de4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085530
StatusPUBLIC

Content hashes

Canonical text79f38c3441b6a23c99f95af808a5abc69b2e38cbc4954a957b2781e370df0589
Markdownc84907db25c8fc616bd32a7b273221ac3d985d2ddd9fa14b2c84a842f0506ba0
PDF
Publication pagefef137b5880080e16bc53575d13dad0aa1adfc1b3ca165dba4e670d4d813e3d0
Manifest07b1b0b168dd9caf00dc56ad57db5f615536745704562858924d6ffe2c4b74ec

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
Signature9WX4doojOb76xYIcg0Yu5NR9njAAA/mlPJagLS5rf5GtzEm/kVny1g8Cf/5WeZIyCdH6EuncBKcreMpNL2wvAA==
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

2026-09-17T09:54:20.989747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085530
observed fef137b5880080e16bc53575d13dad0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.970783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085530/manifest.json
observed 07b1b0b168dd9caf00dc56ad57db5f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.951511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085530/publication.md
observed c84907db25c8fc616bd32a7b273221ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.934022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085530/publication.txt
observed 79f38c3441b6a23c99f95af808a5abc6...
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.