OpenTechnical

OT-2026-000090207

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090207) never changes.

Identity and time

Publication numberOT-2026-000090207 · never reused
Internal UUID01a0ae9c-428f-735f-a9fc-aa1e8c2f525f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090207
StatusPUBLIC

Content hashes

Canonical text0df14ca31910a32b041928ebd67535b75f736b4e985b023a70a976ab2a69562d
Markdown30287e6edad98250c967f11b059c910609142b49170bd3a67a912e497d982cf8
PDF
Publication page1b636e6ede9944e3fc9113c341bf29365d5c56aeb7b700300115b4e3b3a5828d
Manifest32be2c2b96270c3d2f9638b76f71c8e88602b419ee38188664ed8a697881df22

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
SignatureVAAwDRvVc/6DyYToe2fF/uxdTc8R8SExJA2YQLbDCwMkSMNoLQMbQR5XBku2c70F0FWOYNUcGDIoxrYu2csTBg==
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

2026-09-17T09:46:16.939993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090207
observed 1b636e6ede9944e3fc9113c341bf2936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.920122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090207/manifest.json
observed 32be2c2b96270c3d2f9638b76f71c8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.900825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090207/publication.md
observed 30287e6edad98250c967f11b059c9106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.883274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090207/publication.txt
observed 0df14ca31910a32b041928ebd67535b7...
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.