OpenTechnical

OT-2026-000049696

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000049696) never changes.

Identity and time

Publication numberOT-2026-000049696 · never reused
Internal UUID01a0ae81-8fee-75e0-8dd7-cba4ff9ce1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049696
StatusPUBLIC

Content hashes

Canonical textca4110797a59e32ee60f025fee270f60923e317818784f182367ed8645ea2bd4
Markdown6a2e95d32b978bd967edc9d46d349375c82e0c92229efcfaf499f821997a96ed
PDF
Publication page9f43a092eedbff522444dfbe59135c4ec40cb82ee6f7fbcf85cbbca3a5510197
Manifestfa65880f37f4e4d50ccca727a7bd6a2f676c185b96d8ff5da139a9620341f1dc

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
SignaturehK8HulvjKzxjrQ5mFghL06Vb6dM5ZDoxRO0Te58UU+iXc5Edgzno4Jy1A7ng+uwomkfnIuv7ybcDcQ+66czEAg==
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

2026-09-17T11:02:42.510084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049696
observed 9f43a092eedbff522444dfbe59135c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.491565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049696/manifest.json
observed fa65880f37f4e4d50ccca727a7bd6a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.471498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049696/publication.md
observed 6a2e95d32b978bd967edc9d46d349375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.453326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049696/publication.txt
observed ca4110797a59e32ee60f025fee270f60...
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.