OpenTechnical

OT-2026-000005050

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered, sustained blow off before set down, rubber 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-2026-000005050) never changes.

Identity and time

Publication numberOT-2026-000005050 · never reused
Internal UUID01a0a92c-4162-77ca-85be-72b7f2ffd56d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:04.965500Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005050
StatusPUBLIC

Content hashes

Canonical textc8b579d772cd8052636bcd256d366ae54b064f53be66b4f1e68d05cd1d68e89b
Markdown5940fc31a3f157684107c0c74c305b1ad2edd93a21dbe1e7163f5f3b80f987c7
PDF
Publication page4e88ba117a8e634fe6db1393c786198aa543bea744b5eeac06b2156bd8906ca9
Manifest129d170035245d24c4ad138c79d06f05740e804afedfeed9f28c0ffe8ff5576f

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
Signature6PA5kWsBFZXeoOdsCQlVrjOE4F03LqUzbWltmvH2Q2zLYWINz/xQBDfhbKd+/TxtBvkQ8BdgW/9+DdSYvtWoAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.934329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005050
observed 4e88ba117a8e634fe6db1393c786198a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.921729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005050/manifest.json
observed 129d170035245d24c4ad138c79d06f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.908512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005050/publication.md
observed 5940fc31a3f157684107c0c74c305b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.895235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005050/publication.txt
observed c8b579d772cd8052636bcd256d366ae5...
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.