OpenTechnical

OT-2026-000081545

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000081545) never changes.

Identity and time

Publication numberOT-2026-000081545 · never reused
Internal UUID01a0ae97-0f71-72b0-b323-18d3285de9ab · 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-2026-000081545
StatusPUBLIC

Content hashes

Canonical text7469ba386a0ce03f63577b44e6cd1318d22619301483a8681306ef26f8d2ec5b
Markdowncd3012b92e8d1954844e48fad0ca7bbf8483ca268f732d121106084a1e1bc422
PDF
Publication page693e155e99a40a031debe3d2809c4f597fd5646c4f4a384a23f5a0a93fac858b
Manifest0684464e713f99d2da1d130abc452ed9de8f9c92429c51f28349c599df699207

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
SignatureW+corlbaidzCdc3CoWJeDYLMNeoxqXfH6ZkI3Z6ZmmT++aRtfbGMb4tZtWSIbRc3DjjqyKznzykfQNN/lcuvAg==
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

2026-09-17T09:59:34.134617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081545
observed 693e155e99a40a031debe3d2809c4f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.116507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081545/manifest.json
observed 0684464e713f99d2da1d130abc452ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.100506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081545/publication.md
observed cd3012b92e8d1954844e48fad0ca7bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.084634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081545/publication.txt
observed 7469ba386a0ce03f63577b44e6cd1318...
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.