OpenTechnical

OT-2026-000015747

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000015747) never changes.

Identity and time

Publication numberOT-2026-000015747 · never reused
Internal UUID01a0ae6e-0c4c-75fc-91a6-2543a96532fc · 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-2026-000015747
StatusPUBLIC

Content hashes

Canonical text21eb42aca78396c76bfc77af7f1a9f8805aab3171a6b9d3096b528b6e6285585
Markdownec21b372caa901ae9bb82629486cffd30d6ae36d735d48a46647f495f98e1c1a
PDF
Publication pageb89669abd9c0db1588d02c42ac9a2debd2e5935aa0fd97080a9407eefc3d9aae
Manifestde16a47ca93059e2ba622cb14d16692f794ee3b4a2f994a2ca2de9045a8ab0be

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
SignatureENfc+4TYr0gdiL9q5mpxV+S3acQq6/RLijVj6eLNwId8qs6h35wwU68SorBbCmvgmwmLbwlDRJiiSsnRWZzTDg==
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

2026-09-17T12:05:02.337878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015747
observed b89669abd9c0db1588d02c42ac9a2deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.321998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015747/manifest.json
observed de16a47ca93059e2ba622cb14d16692f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.303061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015747/publication.md
observed ec21b372caa901ae9bb82629486cffd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.283027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015747/publication.txt
observed 21eb42aca78396c76bfc77af7f1a9f88...
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.