OpenTechnical

OT-2026-000048633

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000048633) never changes.

Identity and time

Publication numberOT-2026-000048633 · never reused
Internal UUID01a0ae80-4de8-7643-b9dd-1713ce085731 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048633
StatusPUBLIC

Content hashes

Canonical textd12de196f1ad62d73375401c0670b24d27f487539b2215e53bb79b206c45d3bf
Markdown32f4719768ecdde4995931c3b181dfdaf56f8d5c25283911c06d667bad9d0c86
PDF
Publication page30ca746a1d458f2688afcbf13193d3e02eb8011a73e9e949c68ba64d0cdc4c7a
Manifestae1c998632afb474965a373c80272084706ca1c37e01ca67298b9d61b8e8762a

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
Signature5hZACIwFIqJkoHKx88Qr/MyoZ15j8wQ1rxm48up79yBKpSKXYgC96NIocHyOCxrPJZNDPl1BtTFJaMUilYOMBg==
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

2026-09-17T11:05:27.424402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048633
observed 30ca746a1d458f2688afcbf13193d3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.403400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048633/manifest.json
observed ae1c998632afb474965a373c80272084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.382392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048633/publication.md
observed 32f4719768ecdde4995931c3b181dfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.362450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048633/publication.txt
observed d12de196f1ad62d73375401c0670b24d...
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.