OpenTechnical

OT-2026-000005058

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, 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-2026-000005058) never changes.

Identity and time

Publication numberOT-2026-000005058 · never reused
Internal UUID01a0a92c-86ae-7d4c-ad20-1146184ffc18 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:22.705280Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005058
StatusPUBLIC

Content hashes

Canonical text11f0c4c1e8b67b15496ab54f2062b9ba5ca088850c33c47aeac1bfd8417b4564
Markdown5e80c39c9235de14b71a5d4b71f648c116bd7f094a93650afe810d4c1a26cd89
PDF
Publication pagef6b77cdbd6c74752c91ac593484bd8e1f842b01b0b7162d2f9570049d3824b40
Manifestd697e1e43e25a8f2fe6ff0fd5ec144b895c0847419ebcbd49af6150025f855b0

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
Signaturen8OjxHrdyZppc5zASvo7q9b92jps/HLw4PRTBozczpeugwEPCXC2ZXO914H+1jtfDEKad0RwZrzbeT8zByxEBw==
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

2026-09-16T07:50:20.134886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005058
observed f6b77cdbd6c74752c91ac593484bd8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.122363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005058/manifest.json
observed d697e1e43e25a8f2fe6ff0fd5ec144b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.992241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005058/publication.md
observed 5e80c39c9235de14b71a5d4b71f648c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.975567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005058/publication.txt
observed 11f0c4c1e8b67b15496ab54f2062b9ba...
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.