OpenTechnical

OT-2026-000079681

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000079681) never changes.

Identity and time

Publication numberOT-2026-000079681 · never reused
Internal UUID01a0ae96-4375-718c-a63d-2b5b99496efa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079681
StatusPUBLIC

Content hashes

Canonical text96a67f75fafb345bf0430d613ec11af62786dd341e13530de1dfb3e4fb2b4a08
Markdown81763292720a218744cad2da2287eaf8a35b9f5269b4cc0de71f91e673dd08a5
PDF
Publication pageae6b651bb847698bf289bc3dfeb80e375bf1b6868eff012ac190b827b813ad28
Manifest5d1b2b65743682d3c30f26ce453a8e974945b87f0b17c27ed918902f66443d6d

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
Signature1ns5JAuiUjmJaMXLrXpwqV78q1Q7i7UFIhWaCCh3am7ZLXd0PgmoHgTP6ECjtXceCO8rLtPRkdgXdFwHReD8Bg==
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

2026-09-17T10:03:21.691115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079681
observed ae6b651bb847698bf289bc3dfeb80e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.657768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079681/manifest.json
observed 5d1b2b65743682d3c30f26ce453a8e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.629928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079681/publication.md
observed 81763292720a218744cad2da2287eaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.609168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079681/publication.txt
observed 96a67f75fafb345bf0430d613ec11af6...
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.