OpenTechnical

OT-2026-000103966

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103966) never changes.

Identity and time

Publication numberOT-2026-000103966 · never reused
Internal UUID01a0aea5-15e8-72f7-9a94-39d4a24a3074 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103966
StatusPUBLIC

Content hashes

Canonical texta284bf447a7adbe07133498670a337b92b23f015ac190f0bae87cd813d4d1235
Markdownf1c999e547d6a139b5ae40c8b17cb8ff494a2cab2e5d03b63d669e8e069a01b9
PDF
Publication pageb8eab33b53a9963944129a96ebaef71a1fc4e4b82b8eba08608f2e3b7518579d
Manifest734545f21e2b4efafae26b8126fdd346b14867b25a29bf5d0c26b6d7ff021785

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
SignaturegqDvY9Xyb+UAPC3fCNXdPxTWx3C3WW+2e1hkXfVy/EFQrHzHFPflMo9QSqHSDUOh6GRZWYKsf7nuz8+tQL8XAg==
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

2026-09-17T09:21:58.236728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103966
observed b8eab33b53a9963944129a96ebaef71a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.221524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103966/manifest.json
observed 734545f21e2b4efafae26b8126fdd346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.204941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103966/publication.md
observed f1c999e547d6a139b5ae40c8b17cb8ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.187925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103966/publication.txt
observed a284bf447a7adbe07133498670a337b9...
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.