OpenTechnical

OT-2026-000043248

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000043248) never changes.

Identity and time

Publication numberOT-2026-000043248 · never reused
Internal UUID01a0ae7b-327d-756b-907a-5c39e1fb0e16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043248
StatusPUBLIC

Content hashes

Canonical text0830aab7306a07775c098512f62e7cbadb1343a21af37f7ce58d695536cd55d7
Markdownf193d13a89bd78c5d4e41d8c7a9f2bbaaf8344ff1c5efd192bd078eab82aa1ac
PDF
Publication page8bc729f2362bb2172dfef8eb778cd818a8ed754296fe04145276dcd34b8e1e93
Manifest4f0e44da8f53122b6c5065e59ad18e80793a5a8c9463506314c6766abf4a157f

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
SignaturemQtNzbWXe7qtOcwhhRjbY8DbMcIT5NP1YC732zojzpcVZXPfg7Vky5oC28VxeADe4mTSLI54qonQgDeCnIUuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:43.576130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043248
observed 8bc729f2362bb2172dfef8eb778cd818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.557847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043248/manifest.json
observed 4f0e44da8f53122b6c5065e59ad18e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.538503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043248/publication.md
observed f193d13a89bd78c5d4e41d8c7a9f2bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.518051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043248/publication.txt
observed 0830aab7306a07775c098512f62e7cba...
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.