OpenTechnical

OT-2026-000078885

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078885) never changes.

Identity and time

Publication numberOT-2026-000078885 · never reused
Internal UUID01a0ae95-ccbd-7f19-9472-b6279c629364 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078885
StatusPUBLIC

Content hashes

Canonical text98566ab53583ac36e485b77555e3ca28f1b2a3a59879b7f24c25e9721041a9c2
Markdown159cb3978e8e575c005ccc652ef8fdaa3870906006dd2cd97c03e92f01db0501
PDF
Publication page0b1800b0538282d6106f1d3ee90dcc6576930444553ad2080b030a85f7cd2583
Manifest52f48b3d85b27816e616776c4f883fc583bef13ded681795b992721d9748b87f

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
SignaturemTv/GHdK5eBBV1kAmt5WycPmv+t+y3ofnXAQdoNTGQZBXYQHnmuKfjo4JN9He6D0ZkY/nObRtio5h73BIzDeCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:41.505679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078885
observed 0b1800b0538282d6106f1d3ee90dcc65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.487762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078885/manifest.json
observed 52f48b3d85b27816e616776c4f883fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.469427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078885/publication.md
observed 159cb3978e8e575c005ccc652ef8fdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.442023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078885/publication.txt
observed 98566ab53583ac36e485b77555e3ca28...
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.