OpenTechnical

OT-2026-000033525

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000033525) never changes.

Identity and time

Publication numberOT-2026-000033525 · never reused
Internal UUID01a0ae75-a38e-703e-a71c-cd22c7f1e9e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033525
StatusPUBLIC

Content hashes

Canonical textead4e9ce8c398589cd92641f7c4769a6c5619fee4b634a5abfcafec6223ef426
Markdowncdb46f13cdc8732c118423c3e107d1f8f9bbdcde628e5efa3984a25048531bb9
PDF
Publication page11567c5adbc9c88f1ea221c86de1ca47d2ceaf780089a51fafa0397da7a53076
Manifest0d575e41ab58f26c4ac437576e3fa4ef6a6cb7b05185ffc6c733250953c4326f

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
SignatureN/yeuhO8reUnL195+7/wfyjPc1nqlC3DbfnKWFQ5xnLWwFNMOZfYBC/7rbDblh0T+pWFilZv368/u4SHOfgvDA==
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

2026-09-17T11:31:22.971928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033525
observed 11567c5adbc9c88f1ea221c86de1ca47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.955034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033525/manifest.json
observed 0d575e41ab58f26c4ac437576e3fa4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.937552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033525/publication.md
observed cdb46f13cdc8732c118423c3e107d1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.922311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033525/publication.txt
observed ead4e9ce8c398589cd92641f7c4769a6...
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.