OpenTechnical

OT-2026-000102032

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000102032) never changes.

Identity and time

Publication numberOT-2026-000102032 · never reused
Internal UUID01a0aea4-50f2-7f40-a6d9-cf15c77b8aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102032
StatusPUBLIC

Content hashes

Canonical textbe1744f85a4afdd00b243fb70e41a609850148ea6baca4e957fd12f52eba149e
Markdown53d693768be4b21c686cb7306714ac73c60af5ca4c5edc423f0aecfdb3e8c658
PDF
Publication page9392a392f108480ede83d69fe3554d2c6e3ec0562616cc31329b18d803a3028b
Manifest0f99fd40c1a84ad97b0ed5e3e0d8f30ff56dc0e383e46aab6a40642333fdd35a

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
Signatureku21On1vUaL/r4k/mn96mxqvqzt0LwrUqUO+RToplbR9j+dwwxXsK0N/RM+DwvPZATLJo2gJu9Z/5/hh22ofDw==
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

2026-09-17T09:25:10.086953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102032
observed 9392a392f108480ede83d69fe3554d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.067713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102032/manifest.json
observed 0f99fd40c1a84ad97b0ed5e3e0d8f30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.048892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102032/publication.md
observed 53d693768be4b21c686cb7306714ac73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.030536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102032/publication.txt
observed be1744f85a4afdd00b243fb70e41a609...
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.