OpenTechnical

OT-2026-000087096

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000087096) never changes.

Identity and time

Publication numberOT-2026-000087096 · never reused
Internal UUID01a0ae9a-9f2d-71f8-85a1-97c93f2a2164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087096
StatusPUBLIC

Content hashes

Canonical text6a669643b301f38d6b729ac5c87981645f65b9272c7f48885bd0f9efb7971fbc
Markdown14b88f9f8886bd5cbceeb7194b0d0636478382102cb930d630444feb44cb10b4
PDF
Publication pagef887e27825269e26948c5a878ff66e4172f4368725aaaf70fe5592a88585aa96
Manifest0d24b63326239151ad94f29329a41f953fa4474b6d1fc55c67e422912de7524f

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
SignatureBmYjG24eK7cXQidDoV2TwxYh0HAwWij3NAlE7ZHKVEr8E8hhbwLBfBDczYd+sPOix69er8gaqM7MeIQrNbCJCA==
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

2026-09-17T09:51:21.353370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087096
observed f887e27825269e26948c5a878ff66e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.337874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087096/manifest.json
observed 0d24b63326239151ad94f29329a41f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.322110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087096/publication.md
observed 14b88f9f8886bd5cbceeb7194b0d0636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.304973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087096/publication.txt
observed 6a669643b301f38d6b729ac5c8798164...
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.