OpenTechnical

OT-2026-000018615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000018615) never changes.

Identity and time

Publication numberOT-2026-000018615 · never reused
Internal UUID01a0ae6e-d520-75c1-83c6-5bfe275ea480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018615
StatusPUBLIC

Content hashes

Canonical textb7d22b946ae278aeedeb1fb670e44f311cfae79818f2c81d860399f6e479749a
Markdowna49949bafcc46f327f501fb84329ef73b02698c4b9558714aa35ca58d4ed1f5e
PDF
Publication page21216ff30fbb48c065d666e4d66d1c56679e11cfb691db5f0b843dedd38f45ad
Manifeste639f76f95cd16d5fe9cdc9e127adb5a19da8b452a1ab8321cec12fb28dcb08e

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
SignatureZVW4hmvjBVsbnO0gsLjKHE3dL1lYtK+Fgu8LNjVqAYlPZtKz7eYSxG9hy5JNVARtoxrVCdDmFs7wWKWfwnFAAw==
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

2026-09-17T11:59:04.792875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018615
observed 21216ff30fbb48c065d666e4d66d1c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.775829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018615/manifest.json
observed e639f76f95cd16d5fe9cdc9e127adb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.758976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018615/publication.md
observed a49949bafcc46f327f501fb84329ef73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.741796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018615/publication.txt
observed b7d22b946ae278aeedeb1fb670e44f31...
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.