OpenTechnical

OT-2026-000092863

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line 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-2026-000092863) never changes.

Identity and time

Publication numberOT-2026-000092863 · never reused
Internal UUID01a0ae9d-b601-7fe7-9bb8-0ed9e30bdf5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092863
StatusPUBLIC

Content hashes

Canonical textc452095a308e3ff379867f4fc326274bd674f9f271638911bddba24258a31dc5
Markdown34c15acb650fadf5d84b3a6b7e5ff137323b9af3b373d18df49dc510e98f6bff
PDF
Publication pagefc6ac4af2633c5038b084bd5cfe7363664e8fe32c8780c2b28bc34449941a6ed
Manifest5fb61a480a0543571c94a3e688d3fdf5e5870a0e611202fcde4f7e2cf3b0f221

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
Signature8e+uay/sgYJHogRBwqwb5Z+liy/8PMN2jEetb8X8O1lDyqlhVR7cifmRz7t/3HsGDyRiSnKL7HLGPfzDM2LIAQ==
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

2026-09-17T09:41:31.313500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092863
observed fc6ac4af2633c5038b084bd5cfe73636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.294626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092863/manifest.json
observed 5fb61a480a0543571c94a3e688d3fdf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.274971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092863/publication.md
observed 34c15acb650fadf5d84b3a6b7e5ff137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.254201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092863/publication.txt
observed c452095a308e3ff379867f4fc326274b...
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.