OpenTechnical

OT-2026-000099878

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000099878) never changes.

Identity and time

Publication numberOT-2026-000099878 · never reused
Internal UUID01a0aea3-1473-7f3e-8099-a77807d6135f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099878
StatusPUBLIC

Content hashes

Canonical text92b3bf26df5537dd1164b4cae7e20f46dbc9e7d43face6e435aa87130fb094c9
Markdown568668c10a1868d6dd02b38074a559a7a907255f7de3a0523be47d1786baaba4
PDF
Publication page7085f34d165d80a062c5a74519c275ae4e17f98409c27bc0df9f127c810a60c5
Manifest31b60d10dea3bb5459665a5fbd968bc3576b2fdb3440a1a02cca968821c0a8db

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
Signature7j5mrCoQfmDd+xHAvvpjznYfXzlwhtfEWWrbvc8cnikWcfxKxdMTlk0pHz310qTa4NJHcDC/FDiAWRSpOsIyDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:30.354490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878
observed 7085f34d165d80a062c5a74519c275ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.237360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878/manifest.json
observed 31b60d10dea3bb5459665a5fbd968bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.220845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878/publication.md
observed 568668c10a1868d6dd02b38074a559a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.202141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878/publication.txt
observed 92b3bf26df5537dd1164b4cae7e20f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.048337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878
observed 7085f34d165d80a062c5a74519c275ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.027125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878/manifest.json
observed 31b60d10dea3bb5459665a5fbd968bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.008445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878/publication.md
observed 568668c10a1868d6dd02b38074a559a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.908330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099878/publication.txt
observed 92b3bf26df5537dd1164b4cae7e20f46...
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.