OpenTechnical

OT-2026-000005685

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered on the face

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-2026-000005685) never changes.

Identity and time

Publication numberOT-2026-000005685 · never reused
Internal UUID01a0a941-654f-716e-9fe9-bc1b63b7575c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:10.418660Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005685
StatusPUBLIC

Content hashes

Canonical text1d80df4c27a572c6f6b583784d3ade80d41622512e46415d2c1ff0728f3f3b1a
Markdown2174f6168040e1b37ec40abdb297a703b73dfa42c1954dd742077e89d8cb2656
PDF
Publication paged9d43161109bfc11448c33c973124bffa14f2b0a26fa1c62cb44391e865487fd
Manifestfd3509a7142174011bfa34edf6a753f4b86d5c03efb2d771a44f3d91de352b4c

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
SignaturebsTzXTGCr5IgqZnfgoFZktQDIhmHMcslv7pAoV0A77ZBPPKAOAct8zRkzDZ+8FhIIwB3dGCSbveLoLMSJ02TCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:11.963820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005685
observed d9d43161109bfc11448c33c973124bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.950025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005685/manifest.json
observed fd3509a7142174011bfa34edf6a753f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.933900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005685/publication.md
observed 2174f6168040e1b37ec40abdb297a703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.917141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005685/publication.txt
observed 1d80df4c27a572c6f6b583784d3ade80...
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.