OpenTechnical

OT-2026-000102894

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102894) never changes.

Identity and time

Publication numberOT-2026-000102894 · never reused
Internal UUID01a0aea4-be3c-7a6e-97f4-1db6f7f0df09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102894
StatusPUBLIC

Content hashes

Canonical text8d17d69871b644d431422e66d2e26ec0a4086506353bdf52284160329568d005
Markdownd5471d84f6448b9b751c98f1d423d5e34736a41c2b9c6f3caad9018df2126326
PDF
Publication page371ed323ec90d645d30c28d17cf5718977d1bea59a474ec3ef9f5445b34bfccf
Manifest0a4f7d60c8ba308ccbe585f3f3b010d533a75579501fe0145b97e2e4b55062f5

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
SignatureLjMAzD4X6KhE9IxDXmz1WxB61GFPNHNyov8AdKGm2OcIDg61EZ7pj+hbNJWGnaazbyDbr5zIb8ecukkW+CLEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:54.345074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102894
observed 371ed323ec90d645d30c28d17cf57189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.328194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102894/manifest.json
observed 0a4f7d60c8ba308ccbe585f3f3b010d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.302495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102894/publication.md
observed d5471d84f6448b9b751c98f1d423d5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.284291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102894/publication.txt
observed 8d17d69871b644d431422e66d2e26ec0...
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.