OpenTechnical

OT-2026-000083407

Publication integrity record

Foam pad 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-2026-000083407) never changes.

Identity and time

Publication numberOT-2026-000083407 · never reused
Internal UUID01a0ae97-c964-7f33-9b41-4a96b761f1c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083407
StatusPUBLIC

Content hashes

Canonical text4bbfca882d84830de3e7b7e2913a1e3d5f0f6429483ff92c8136c14d98370086
Markdown688fd67abd71fb5e5820c7104e94c36e34a702bbfd870c93b7b4bb581dc981e4
PDF
Publication pagedf196a9c1f35cf2211d98e68ef79f72f94eeca75295bf48cb4da49766190f58c
Manifestc27ea2621bb8be24ca6981b6d8858bf5f4301782803d22a2369ffa7e7fb172ff

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
SignatureS3OSaxjKnKvzPstvj/lUVcXq5mSCtlnUMu/e2Tnq62pfQMVCXXvGgST/PtncGI+6tzxUXYyBzBS/96xZ33akBQ==
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

2026-09-17T09:57:49.143366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083407
observed df196a9c1f35cf2211d98e68ef79f72f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.126715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083407/manifest.json
observed c27ea2621bb8be24ca6981b6d8858bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.110287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083407/publication.md
observed 688fd67abd71fb5e5820c7104e94c36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.094932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083407/publication.txt
observed 4bbfca882d84830de3e7b7e2913a1e3d...
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.