OpenTechnical

OT-2026-000084329

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000084329) never changes.

Identity and time

Publication numberOT-2026-000084329 · never reused
Internal UUID01a0ae98-5b61-7742-b29d-8a7f97d7c261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084329
StatusPUBLIC

Content hashes

Canonical text35051a1c609a63524b181f5fa90e26a8a66222212c06184a26d76281a31b9495
Markdown86a2183ce523066beb94960db436b59dd632ba98a1b0f6039ae3a90b0d46e833
PDF
Publication pagec2085838e7ccc648513b09173969e8be5d68d7c549b476ce26d632073e142d79
Manifest26f1fdb01c6d18676df3252d0e12674794968311d2984d9304f9ed246c1239fa

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
SignatureNvvTEFvEWX6znvdSExpZIfwOB5KFwZGSzydzo4zYUcZO5xvFTwPv6s+LHOLciI/7ugX3Tl7n5kVlWCO62tRnAw==
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

2026-09-17T09:56:15.365656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084329
observed c2085838e7ccc648513b09173969e8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.349028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084329/manifest.json
observed 26f1fdb01c6d18676df3252d0e126747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.333733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084329/publication.md
observed 86a2183ce523066beb94960db436b59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.317638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084329/publication.txt
observed 35051a1c609a63524b181f5fa90e26a8...
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.