OpenTechnical

OT-2026-000006245

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, two stage ejector, polyurethane cups

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-2026-000006245) never changes.

Identity and time

Publication numberOT-2026-000006245 · never reused
Internal UUID01a0a954-3ca0-7b0c-878d-12aabdf5869b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:45.186819Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006245
StatusPUBLIC

Content hashes

Canonical text31b17dbec197c621bdcbd7425e9f12d67fd4c4b6d3cc7993c8c7821d33938ee2
Markdown6f07149bba8a35003ea65bd2779e405a93d37c55eba2de148518cfa581cec928
PDF
Publication page21b2cc1171fa95fab9ac490e929cfdcbb852d3957ae6f280b2d9228e593783c5
Manifestd653e7696d148b74366447cb1641798e7563f2e46304730d3fd70049bd440ce5

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
SignatureXdo/QkPxDCNl7kxvvDj2hkf99lNQGM86BPGe8tKjGR5KMz1NCo5xVQeosPbuRrDM1PyR5csAQCQvkM97KeBIDw==
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

2026-09-16T08:30:10.659877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006245
observed 21b2cc1171fa95fab9ac490e929cfdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.645840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006245/manifest.json
observed d653e7696d148b74366447cb1641798e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.631474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006245/publication.md
observed 6f07149bba8a35003ea65bd2779e405a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.495296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006245/publication.txt
observed 31b17dbec197c621bdcbd7425e9f12d6...
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.