OpenTechnical

OT-2026-000104174

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000104174) never changes.

Identity and time

Publication numberOT-2026-000104174 · never reused
Internal UUID01a0aea5-341f-751b-8677-9d214c0a85fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104174
StatusPUBLIC

Content hashes

Canonical text917a034aa0f3254fb526fc94049302d4c12e60f234b46bb27cee46e4d58c3fa6
Markdownb9fb5eac263b6db9476b014d2dc95dba001e45c8c928019f94ddf3af1b8816b1
PDF
Publication pagebe35d26d58b74e1ff1100d41e67753ce1bced3680dc8335a12f1cb47629ca9e0
Manifeste33771480e32a423fb6fc9f8f829e03103e60b971aa9cee2822314d246334f6c

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
SignaturejF46zKeTKloLyDCuulCfp5XGnd+707hEvDwkfSfF2MFU1da4YIvSFxoMYzFn3Z00ZC58w2ly3NcBm4LoRtfFDg==
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

2026-09-17T09:20:15.942151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104174
observed be35d26d58b74e1ff1100d41e67753ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.924843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104174/manifest.json
observed e33771480e32a423fb6fc9f8f829e031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.905385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104174/publication.md
observed b9fb5eac263b6db9476b014d2dc95dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.887670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104174/publication.txt
observed 917a034aa0f3254fb526fc94049302d4...
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.