OpenTechnical

OT-2026-000088236

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000088236) never changes.

Identity and time

Publication numberOT-2026-000088236 · never reused
Internal UUID01a0ae9b-1aa9-7dbc-8ecb-74de596f1231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088236
StatusPUBLIC

Content hashes

Canonical text0bb2582470cab64ea1c6f64d8b4f01ef4b0a8839da63ab57a72a58ffabc67546
Markdown859146dd7bceb84ac37273c7de3721c400cb44b92789142ba92754db6ee0717d
PDF
Publication page37f0fd3bfb002f6bb8a600c1e4130749c13c1ab5a4f13a43987986ee85a07333
Manifestb61c2f3a6e33c8a7492278c8519736863141a67d90199fd7f4e07ed038027333

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
SignatureO84/IT6TF6V6YKhYa+0RSkzvRHWs0oOm4hi86k30oOkcdPVsRQKaOBQEezDY9R76pJdzTyPg2V4a3YP6gLumDw==
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

2026-09-17T09:50:20.329005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236
observed 37f0fd3bfb002f6bb8a600c1e4130749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.311273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236/manifest.json
observed b61c2f3a6e33c8a7492278c851973686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.291935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236/publication.md
observed 859146dd7bceb84ac37273c7de3721c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.272145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236/publication.txt
observed 0bb2582470cab64ea1c6f64d8b4f01ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.936823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236
observed 37f0fd3bfb002f6bb8a600c1e4130749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.919776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236/manifest.json
observed b61c2f3a6e33c8a7492278c851973686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.902350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236/publication.md
observed 859146dd7bceb84ac37273c7de3721c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.886166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088236/publication.txt
observed 0bb2582470cab64ea1c6f64d8b4f01ef...
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.