OpenTechnical

OT-2026-000075585

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075585) never changes.

Identity and time

Publication numberOT-2026-000075585 · never reused
Internal UUID01a0ae94-29fd-7241-8dd3-91d1f528a426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075585
StatusPUBLIC

Content hashes

Canonical text5de234627ef374faa85db61ab1a53cc1c43a641f31d50d51a685041cdf1e4f79
Markdowna9dfbd762ca112b47d30459d22a113420e20e974206e242bc8e2aad155fb24bf
PDF
Publication page31f69e1b9cbcd5058fe1eaf270969a224ffb47aab606f2a934b34898720a0823
Manifest4fe86ed38fc79160b767a3505d28d89a5df22dab60ce4f5f90634820b0fb5e2f

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
SignaturepLzv5xfFYjOk2M3Hu36kvlVrmNc5TEkuMh+GxbxldcdZnd5FuaHtP8tmt8MHBhklK/Kucm4lbOh9asTstXr0DA==
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

2026-09-17T10:13:12.717798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075585
observed 31f69e1b9cbcd5058fe1eaf270969a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.696894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075585/manifest.json
observed 4fe86ed38fc79160b767a3505d28d89a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.557939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075585/publication.md
observed a9dfbd762ca112b47d30459d22a11342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.537850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075585/publication.txt
observed 5de234627ef374faa85db61ab1a53cc1...
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.