OpenTechnical

OT-2026-000003818

Publication integrity record

Bellows cup vacuum gripper, three stage ejector, pressure verified at each zone, 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-2026-000003818) never changes.

Identity and time

Publication numberOT-2026-000003818 · never reused
Internal UUID01a0a90b-25ea-7c0a-bd96-63364b945ff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:55.244790Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003818
StatusPUBLIC

Content hashes

Canonical text31f2d2790cbc85a17fac87602c6284f82ca54d77f5e4ab174f958644712246b7
Markdown8a5b6a9883f3c6d08ae3aaed1ea622d49f54241d83db1efd9fc2c1cf81e65d90
PDF
Publication page1718299f754849597946e502d0e98da1e614fd1f5531bcd998f659b81eaf83cf
Manifest89f4f2ae405eed1f1b2a3504077deb22accbe32c74e6580054e7b469ddc91c18

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
SignaturewTIrjNzbXyW7B2SXWueVHzsvjkb4pThv8wIqN/nfEU1y+mZnqCKB+PBmYxDKKEa+w6rtAsulplOIuFRycBZADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:18.529700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003818
observed 1718299f754849597946e502d0e98da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.515935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003818/manifest.json
observed 89f4f2ae405eed1f1b2a3504077deb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.501989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003818/publication.md
observed 8a5b6a9883f3c6d08ae3aaed1ea622d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.487253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003818/publication.txt
observed 31f2d2790cbc85a17fac87602c6284f8...
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.