OpenTechnical

OT-2026-000082417

Publication integrity record

Four cup 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-2026-000082417) never changes.

Identity and time

Publication numberOT-2026-000082417 · never reused
Internal UUID01a0ae97-4d96-7f59-9765-118f3ad8e834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082417
StatusPUBLIC

Content hashes

Canonical texta25109db129a0d1cba58f187034995ecc5b0e0b2a6ff9b0755fcb0d6e0c5efe7
Markdown00bdf0bf76eb5785382d2047b940560bf4fab0a42f93ea0d534c3cbaeb49c43d
PDF
Publication page8f594d25a0b5fe92232714cb88c828dec4140b25349a2f0337efc87575919871
Manifest9a01aace2e52a54bbe01d286b2f4b90c9d701ac43a61b92cbdd12d51d5cec7ae

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
SignatureVwjUWM4AJ6tysx6Sz1onPjmnmLwFGZjIJFyOPxMnuPmhAoCsK51rboj4gxHdoxCVncNY+d4XAUQ/k6m+1xUOAg==
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

2026-09-17T09:59:18.271904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082417
observed 8f594d25a0b5fe92232714cb88c828de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.253305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082417/manifest.json
observed 9a01aace2e52a54bbe01d286b2f4b90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.236784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082417/publication.md
observed 00bdf0bf76eb5785382d2047b940560b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.218919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082417/publication.txt
observed a25109db129a0d1cba58f187034995ec...
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.