OpenTechnical

OT-2026-000103924

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000103924) never changes.

Identity and time

Publication numberOT-2026-000103924 · never reused
Internal UUID01a0aea5-15e7-7ea8-99d2-e657f9dd0085 · 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-2026-000103924
StatusPUBLIC

Content hashes

Canonical text3c9ab9d0496e26b2630c3fdd38810ff2814a8eda0aea60434e75b5f9ec46df66
Markdowne915b52806b7015684ed4f5c98a78c91c95c802e870013f8b7a234c24cce1132
PDF
Publication paged4e3e1f47de13fc62e0ce1ad3d4f259ac66ffdaab29fa1aa55b45dab3af6da06
Manifestc78c48e24a8a17c6daeee84c801a433fdb470c11676847c1e8c0d55b7edfb6c3

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
SignaturecFOkLVbNtYpDmATlUlBV3Mp+PKh1JyQihYD2gA81Wfhgo6cWmfrZKXqxQNM8Gy1wbnPqMsVxyA+Z0z1TOaPuDw==
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

2026-09-17T09:21:55.233430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103924
observed d4e3e1f47de13fc62e0ce1ad3d4f259a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.214751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103924/manifest.json
observed c78c48e24a8a17c6daeee84c801a433f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.197730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103924/publication.md
observed e915b52806b7015684ed4f5c98a78c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.181307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103924/publication.txt
observed 3c9ab9d0496e26b2630c3fdd38810ff2...
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.