OpenTechnical

OT-2026-000083667

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000083667) never changes.

Identity and time

Publication numberOT-2026-000083667 · never reused
Internal UUID01a0ae98-0416-716e-b1aa-400afbeac9f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083667
StatusPUBLIC

Content hashes

Canonical text3fe8b327db8549af39b8b30504d2bf304038102f328fb02f28496ffc5b7d8ea9
Markdown1ea920a6786ae3e82f2b8d51ddd68f6cf91f52012f4cd6a79edcfd737f7478e8
PDF
Publication page4c74a03dc10958cffd5388bbe883bd52d139973fadbde34668a664729c7472c6
Manifest8ce81ea8869b80a85b8f681106cddd1fedc966560dc74eabb39cfeecaf3993d3

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
SignatureCF/aPXp3Kl0eRJV7nKF1t7H2SdnfnZbG16Ba/9mU9gZLLWVkD6OP1/5dkIoqWrzk2TJUNcTgJL6FrYfQebn7BA==
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

2026-09-17T09:57:17.346767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083667
observed 4c74a03dc10958cffd5388bbe883bd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.330438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083667/manifest.json
observed 8ce81ea8869b80a85b8f681106cddd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.313993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083667/publication.md
observed 1ea920a6786ae3e82f2b8d51ddd68f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.296521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083667/publication.txt
observed 3fe8b327db8549af39b8b30504d2bf30...
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.