OpenTechnical

OT-2026-000006915

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, rubber cups, oval form

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-2026-000006915) never changes.

Identity and time

Publication numberOT-2026-000006915 · never reused
Internal UUID01a0a96c-2c6f-7216-980a-b0f6eace0a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:53.906712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006915
StatusPUBLIC

Content hashes

Canonical text5c1eeafdc100261e549d17a9c67a22e56e60a04c611f4ad4696f6ab1b63794e5
Markdown9f034e893049cca34ca4a0f88619bfbb33d4f2ff2d45d4b5376809b49fd241bb
PDF
Publication pageb532732e85c8ec7ecdfb39d8b06d212371e9b8248d320733d1a5fd49368c3e46
Manifestd6b4dcfd5e66e746e4bbfc59315366c512f877ab4ac393eda126a558e85b48e7

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
Signaturepl7uVtnBNtFOVrtg70wFhHb+Sw3Qo7DY2LzSApKHtKAfONPjkmGAsDKOczOzTFaLBKVbnGopAL8so5nXFoBBDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:22.458448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006915
observed b532732e85c8ec7ecdfb39d8b06d2123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.446624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006915/manifest.json
observed d6b4dcfd5e66e746e4bbfc59315366c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.433578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006915/publication.md
observed 9f034e893049cca34ca4a0f88619bfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.420137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006915/publication.txt
observed 5c1eeafdc100261e549d17a9c67a22e5...
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.