OpenTechnical

OT-2026-000086162

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086162) never changes.

Identity and time

Publication numberOT-2026-000086162 · never reused
Internal UUID01a0ae99-e82c-7d5f-9965-1f050c92f92b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086162
StatusPUBLIC

Content hashes

Canonical text7b514fe9107c5094672d454c77fc803348f74feb7d9cf9e0af7dd3a5b72c0144
Markdowne3e4de203f962014fff80ce3acc85851474a6804345e89e61970eb5ef9f9289b
PDF
Publication pagee51945c471ab487ac9b88e4accac1796d0c6c9ec5cf3223668cd1c782c6e47a7
Manifest8027c6161bbd4be3a1949cb8f6b67e586f5ffbf20c13f904ec2ba4dc02caa9ef

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
SignaturegvWBHCF8dc7hE/jCqvpApUXlWw5kg65BwPmVcz7U874jE/ETJBwLSk8xZHdjYSxkUBprQ2P/NtUfu6kEzloWDQ==
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

2026-09-17T09:53:50.115410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086162
observed e51945c471ab487ac9b88e4accac1796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.098701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086162/manifest.json
observed 8027c6161bbd4be3a1949cb8f6b67e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.081746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086162/publication.md
observed e3e4de203f962014fff80ce3acc85851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.064090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086162/publication.txt
observed 7b514fe9107c5094672d454c77fc8033...
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.