OpenTechnical

OT-2026-000042177

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000042177) never changes.

Identity and time

Publication numberOT-2026-000042177 · never reused
Internal UUID01a0ae7a-5d72-748b-a148-7ec6adc66a1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042177
StatusPUBLIC

Content hashes

Canonical texta21606b720a3fb815fa65a5abe685b1b8e47f7171ac66ebd50fc9afcfb18f41e
Markdown60534f84363749a660c80683964fa5054b2c1e1f62be965f9ac56a105b30a34b
PDF
Publication page0ebeeb2fe10b3d3bda23808106858f0e9f9f118ee05e89ba1e385d3c914d5ab9
Manifest332ee9e5ae93ce1b1fd7438bd2e64a859b459480777d841713e2b13cb7c09db9

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
Signature4qDjY8IMOkfmjJD0pRbtlQ2rhQbsscsB5PTYyEwnp6rXaUa4KAegiwNWfMKe1mVWgeUkO+H+rlRJamyOsHz9Aw==
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

2026-09-17T11:15:50.022271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042177
observed 0ebeeb2fe10b3d3bda23808106858f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.001690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042177/manifest.json
observed 332ee9e5ae93ce1b1fd7438bd2e64a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.983025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042177/publication.md
observed 60534f84363749a660c80683964fa505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.962600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042177/publication.txt
observed a21606b720a3fb815fa65a5abe685b1b...
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.