OpenTechnical

OT-2026-000033191

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000033191) never changes.

Identity and time

Publication numberOT-2026-000033191 · never reused
Internal UUID01a0ae75-4844-76dd-8d44-7d39449128e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033191
StatusPUBLIC

Content hashes

Canonical text95be35240ea2033d5138e2918ddc3e2485fe55f2aae16bcb9921baf2d0a11c0c
Markdown229a214fb1e4a909fff3921670709281159f95c542e91e09f642266dbc49e750
PDF
Publication pagedcf23806ab6a0e8b615ecf5a4a71cc9b3c5edea2b33fec30519aae8b70f08e10
Manifest3405c2b7ef8b4a7598d31c2baf6d7aefee3f6e2b784dd7c62b251d2b47b4f562

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
SignaturejgmqZuUBiNX6sddTysNrkzrTSNUEuCGUEBr4no4CVdbYUEYuaFvC1wYN/wZOWcOj+ZyJCQKL5QPDLHvVLh+EBg==
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

2026-09-17T11:32:53.247987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033191
observed dcf23806ab6a0e8b615ecf5a4a71cc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.229889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033191/manifest.json
observed 3405c2b7ef8b4a7598d31c2baf6d7aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.213711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033191/publication.md
observed 229a214fb1e4a909fff3921670709281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.194943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033191/publication.txt
observed 95be35240ea2033d5138e2918ddc3e24...
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.