OpenTechnical

OT-2026-000063771

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000063771) never changes.

Identity and time

Publication numberOT-2026-000063771 · never reused
Internal UUID01a0ae8c-f946-72c6-86cf-4761c31d9e80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063771
StatusPUBLIC

Content hashes

Canonical text1055d770e7dd4defe6c25f0a51d2c198cf4e373779b7df17432f533a8d9d3d83
Markdown5607f4c56fc0add6cce33654ebdbba530d0ba73bb009b0e6adf7c48e801c5cbf
PDF
Publication pagec485020d86c24646b6b2c1a70b2ef8da35c769861acd6f3c1d8af5902f923fe4
Manifest57ffdc88e100edbf40d44f36f9b62da5044dfb1590fbb77df09d0ee6ae8741ba

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
SignaturefXh5AAa6YwzRCZXSGAe1WQcYRgBFM0edKHN1thPLO8pPwsQ0cOkNHYrsNZpNMqWVp4wuz4MkJ2JXWfSdHtj9DQ==
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

2026-09-17T10:40:03.328582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771
observed c485020d86c24646b6b2c1a70b2ef8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.309287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771/manifest.json
observed 57ffdc88e100edbf40d44f36f9b62da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.290953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771/publication.md
observed 5607f4c56fc0add6cce33654ebdbba53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.270622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771/publication.txt
observed 1055d770e7dd4defe6c25f0a51d2c198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.668860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771
observed c485020d86c24646b6b2c1a70b2ef8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.650182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771/manifest.json
observed 57ffdc88e100edbf40d44f36f9b62da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.632346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771/publication.md
observed 5607f4c56fc0add6cce33654ebdbba53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.614950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063771/publication.txt
observed 1055d770e7dd4defe6c25f0a51d2c198...
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.