OpenTechnical

OT-2026-000006562

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, contact triggered

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-2026-000006562) never changes.

Identity and time

Publication numberOT-2026-000006562 · never reused
Internal UUID01a0a95f-8c14-73fd-8b6e-7b5101cd9907 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:06.423538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006562
StatusPUBLIC

Content hashes

Canonical textc19b8e2ea6410bef387196f5bba8c19732af3c1929ac553e347b4b1a1c4e6f4f
Markdown02064efeca221545e5e45a380757cf88f41275ce9dd10a662a1b90fa80a8016e
PDF
Publication pagee2113cb14366cc899b5caaaf5eedc7fc269fe76105f389ed641f762cd7b1086f
Manifeste466745b414e53ac66abb15aa24fada2edcd1f422bf571ead55fb50d4298e66e

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
SignatureaOTIozr/a/dZV8ZZ+p8BicW9ItOzJkHRVFtxwOtKBySnkIc6uCfO0Ujo9ulNURU0YyYJV7E5LjHDOEOff1/DDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:30.650774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006562
observed e2113cb14366cc899b5caaaf5eedc7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.637385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006562/manifest.json
observed e466745b414e53ac66abb15aa24fada2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.511365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006562/publication.md
observed 02064efeca221545e5e45a380757cf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.499157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006562/publication.txt
observed c19b8e2ea6410bef387196f5bba8c197...
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.