OpenTechnical

OT-2026-000087284

Publication integrity record

Three cup vacuum gripper, three 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-2026-000087284) never changes.

Identity and time

Publication numberOT-2026-000087284 · never reused
Internal UUID01a0ae9a-cd4e-7810-9676-b9824ad136a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087284
StatusPUBLIC

Content hashes

Canonical text33db53e6c4c2f543ec0b883aab2783664e6807414034a1ebf427a6aa1988b75f
Markdown37851cc8f09385c490042d8b6607a4093ff1a0b2bcbdd46e9f17f7c77a76aa0c
PDF
Publication page92ff97e254d50fc0643380f72acaa1dfb1ecdf718f7c9902a52e2946c209c29d
Manifest76f37fee539c0eaabdc03b5b81dadd93e54fbbdf9d8c97ff53ce6366df68d6bc

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
SignatureIPs/KuwdOupYqIuNet9nM4L0RnLA/vj+sMGlNv3K0AGepM9FZUjctF0tF/t3SCOpO2V/2heF+4j+IdbpqdDmDQ==
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

2026-09-17T09:50:26.113959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284
observed 92ff97e254d50fc0643380f72acaa1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.095546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284/manifest.json
observed 76f37fee539c0eaabdc03b5b81dadd93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.089410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284
observed 92ff97e254d50fc0643380f72acaa1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.078067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284/publication.md
observed 37851cc8f09385c490042d8b6607a409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.069016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284/manifest.json
observed 76f37fee539c0eaabdc03b5b81dadd93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.059989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284/publication.txt
observed 33db53e6c4c2f543ec0b883aab278366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.050540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284/publication.md
observed 37851cc8f09385c490042d8b6607a409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.032151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087284/publication.txt
observed 33db53e6c4c2f543ec0b883aab278366...
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.