OpenTechnical

OT-2026-000005454

Publication integrity record

Vacuum cup gripper, 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-2026-000005454) never changes.

Identity and time

Publication numberOT-2026-000005454 · never reused
Internal UUID01a0a939-84ca-7cfc-af4f-526078621bc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:34.188729Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005454
StatusPUBLIC

Content hashes

Canonical text1f07ffe6f55342583887b8ef6fd0510ad209834f90102352fcd8673b273263e7
Markdown397f392ebba4298e3693a2e53960688a5720c751d60fbaf4bb39266aafca2646
PDF
Publication pageacb0882c02ba8896119c6afd1d95ee241f8e9490cb892a1c761a03f33de656ef
Manifestb645d7a2733ee21449836c72024feb7b716f35cb46fdd8bafea870096a06a93d

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
SignatureC1eGFCHnnVlLx4O1nGye7JtsyEbm2NJyxT+8kTxhUwa1t5iernCzg8MrEo0GHVnhzQOn+FH6BhVJESAz3Pf0Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:07.661778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005454
observed acb0882c02ba8896119c6afd1d95ee24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.646423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005454/manifest.json
observed b645d7a2733ee21449836c72024feb7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.631086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005454/publication.md
observed 397f392ebba4298e3693a2e53960688a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.495704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005454/publication.txt
observed 1f07ffe6f55342583887b8ef6fd0510a...
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.