OpenTechnical

OT-2026-000015960

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000015960) never changes.

Identity and time

Publication numberOT-2026-000015960 · never reused
Internal UUID01a0ae6e-0c4d-7abe-97b7-9948b1c52690 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015960
StatusPUBLIC

Content hashes

Canonical text87ebb92bb28a4974de4a650b05736110d1c34e78824b65937b35da07316d6cf1
Markdown25dd8ee8e557887cb498595728cdf4c8b832a113b0d941fbbddc0efcb716ca15
PDF
Publication pagef85a0f89646da7ba0d56afeeba63ced5b577f54b761d08628a02367579f76965
Manifest81438700fb40d0269000ed9bd4bb3ebad75e48001ec5b3b1fe083d7d12877b65

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
SignatureuovcgW6yCEu0Y/FrzCYsWXUHPfaapvskyYG9CI54jk+zRgx8cjUniIO8GXwIMUr7Ru3DOa32uDezOAE2rBfzBQ==
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

2026-09-17T12:05:27.154055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015960
observed f85a0f89646da7ba0d56afeeba63ced5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:27.130289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015960/manifest.json
observed 81438700fb40d0269000ed9bd4bb3eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:27.106720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015960/publication.md
observed 25dd8ee8e557887cb498595728cdf4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:27.078452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015960/publication.txt
observed 87ebb92bb28a4974de4a650b05736110...
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.