OpenTechnical

OT-2026-000082907

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000082907) never changes.

Identity and time

Publication numberOT-2026-000082907 · never reused
Internal UUID01a0ae97-8cca-7d55-b12e-e6df0704a714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082907
StatusPUBLIC

Content hashes

Canonical textd7c2a4bbf1392456e20f64c9b0ef68026a66ab55683b905536ebb89f97b1a5e4
Markdown7d1827d2b766cc8f802f34ec4a20d388677eed44bfd79c3c6828c10b03f8a718
PDF
Publication page7775497fc620afda2b9c8799682b94dffb4a428f2c74c18a55bbd585129ce93b
Manifest887f8cec21031208e36c5ca40bbc92d82cb59b05495fec0216bcd674e313bbaa

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
SignaturebdUPzjxrW0TBnYZWTg5yD1c+cik5PWeFV5Vamm6XgIGJI1k6HbMBV/FgA3oMBZy5HgQhlGOOiPR/pd4M0HbICQ==
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

2026-09-17T09:58:35.774894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082907
observed 7775497fc620afda2b9c8799682b94df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.756815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082907/manifest.json
observed 887f8cec21031208e36c5ca40bbc92d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.740143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082907/publication.md
observed 7d1827d2b766cc8f802f34ec4a20d388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.722583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082907/publication.txt
observed d7c2a4bbf1392456e20f64c9b0ef6802...
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.