OpenTechnical

OT-2026-000095109

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000095109) never changes.

Identity and time

Publication numberOT-2026-000095109 · never reused
Internal UUID01a0ae9f-2df1-7c86-a451-1286559f9d05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095109
StatusPUBLIC

Content hashes

Canonical text2156ef950868175c1a4b8dc407b8dc5360596c00a1a56df3191c43d8c439dd26
Markdown8045f7b253f070da9a08a69bbc005dd8db275dc1570decc47fe8fa3a6649c6cc
PDF
Publication page0e73dc5829c42245a0fddab54b3565b429df1e543a0ae078d526096594debd2b
Manifest3b7aaaecd04a6885e89b5adbf41192906a3f792927a2e87da6e62b1993e413ac

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
Signature8bZ2wOvPELKEBhdWi2qboqYTdnmIoEZjwhLxICc9jipAQWsovUIBfe0oqXwql/FUwMJNxBYVfhPpoPwv/tybAQ==
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

2026-09-17T09:37:43.273348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095109
observed 0e73dc5829c42245a0fddab54b3565b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.256384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095109/manifest.json
observed 3b7aaaecd04a6885e89b5adbf4119290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.239120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095109/publication.md
observed 8045f7b253f070da9a08a69bbc005dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.220515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095109/publication.txt
observed 2156ef950868175c1a4b8dc407b8dc53...
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.