OpenTechnical

OT-2026-000046939

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046939) never changes.

Identity and time

Publication numberOT-2026-000046939 · never reused
Internal UUID01a0ae7e-d0f6-7df8-93f0-3facf0d9c0a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046939
StatusPUBLIC

Content hashes

Canonical texte6f446763db0edada3adba7e60cb0f51790c49bfa80631ce2139c5a373d219f2
Markdowna6fc6cee802c1febc9367dc8be692a7d7afffea384930847c626029c0ee5c679
PDF
Publication page848811ef8c8cdb597eed3d1b80c48ebba7cfe3ff1146c1a3e6f02b03e577ae0e
Manifest74fd62bfa39c7534c369d1065edc40cd0f8fd4793c696fbfc273cd311ab47d49

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
SignaturecBevoZcKWOzjMh0ey8E14NzPO3U4HHevgKyJAhqklIrtC4rNGhQFZgPK7BhCJuWwQyJro51JFYtRvsFw2yQdDw==
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

2026-09-17T11:10:05.748633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939
observed 848811ef8c8cdb597eed3d1b80c48ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.723470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939/manifest.json
observed 74fd62bfa39c7534c369d1065edc40cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.696775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939/publication.md
observed a6fc6cee802c1febc9367dc8be692a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.677772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939/publication.txt
observed e6f446763db0edada3adba7e60cb0f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.002038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939
observed 848811ef8c8cdb597eed3d1b80c48ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.983482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939/manifest.json
observed 74fd62bfa39c7534c369d1065edc40cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.967169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939/publication.md
observed a6fc6cee802c1febc9367dc8be692a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:39.948603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046939/publication.txt
observed e6f446763db0edada3adba7e60cb0f51...
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.