OpenTechnical

OT-2026-000100734

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100734) never changes.

Identity and time

Publication numberOT-2026-000100734 · never reused
Internal UUID01a0aea3-66f4-7b57-ad85-a67d13b7159e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100734
StatusPUBLIC

Content hashes

Canonical texta4a67fa37636b4b05dcb0a84125372eb3aadb6e200fc78394c036e7d7a71f9d2
Markdownec6116c9f62ea89306d3052961f1bec689026bc780c528ae19cfb9905834bea5
PDF
Publication page3a3b08d7eefed9fd0ca441dabd59fcaaea5f5d38aa63297e4fd717c0048cc70e
Manifest8827bee54fe06450bd5db2c7adc44530a75a40e78289232f962776406d0be8f8

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
SignaturefS8LAonI+2WchdbK+3P9HQOjES6jPZqMXM8kNt6nlClq7MQdgSao+jHZGa+p3C5B2A7Bt/FRnrGKixkjIHo5BQ==
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

2026-09-17T09:27:33.936305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100734
observed 3a3b08d7eefed9fd0ca441dabd59fcaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.918943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100734/manifest.json
observed 8827bee54fe06450bd5db2c7adc44530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.900413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100734/publication.md
observed ec6116c9f62ea89306d3052961f1bec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.883020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100734/publication.txt
observed a4a67fa37636b4b05dcb0a84125372eb...
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.