OpenTechnical

OT-2026-000085407

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000085407) never changes.

Identity and time

Publication numberOT-2026-000085407 · never reused
Internal UUID01a0ae99-aaab-7d4c-b2a6-3289fa382582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085407
StatusPUBLIC

Content hashes

Canonical texta108c73adb4ed391658f0fbbc50dc3bb404888987dc8ac9a48ec0db47f708be2
Markdown495d4cab90b66380794cfc7f04d8e067043e3e9d1cfe46628597d1fcf645b857
PDF
Publication page5d4368cf66d920e5e926529eb9a8875d3c62c417886a4563ffa27ef187628824
Manifestb9f3397becf3507d7f89c58fc9eb18e1aee63e2ba52c203e04a013b08e1b347e

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
SignaturepDvWPiDaHcbefPOnFn0VRDcrgFwNxdXTqNwgTJ8Hgf+EzbcGl/sp9/IMbv6kHZeBwQmUB19fh1k+do/pd7MJCw==
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

2026-09-17T09:54:10.615095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085407
observed 5d4368cf66d920e5e926529eb9a8875d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.597008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085407/manifest.json
observed b9f3397becf3507d7f89c58fc9eb18e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.577396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085407/publication.md
observed 495d4cab90b66380794cfc7f04d8e067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.559105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085407/publication.txt
observed a108c73adb4ed391658f0fbbc50dc3bb...
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.