OpenTechnical

OT-2026-000064691

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000064691) never changes.

Identity and time

Publication numberOT-2026-000064691 · never reused
Internal UUID01a0ae8d-deb9-7591-988e-03cce7445901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064691
StatusPUBLIC

Content hashes

Canonical text35f8c9f95c184509db60cde37f1f4490130bbf655f227303e24aad1d9b0c246d
Markdown65f1ecd36222bc5cd7895390061cf2f28370d0bc1395cd4a56f46ae578d032c5
PDF
Publication pagee159541b30d5593e8a99e1fd9a31c9cfc3bbfd108c7d2240246587741cf2522b
Manifest9befa003e2f680f6db7f85cd473d9536c1d787df9ad6f7c89e21d7adc5a8e82e

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
SignaturefVqqBmrc7I18LXOdP3b5XvgxVyQxcHr+amEj1pr23tfwTd2Jfl13I/6o8RP83e2wEb5qoXvXlN8hI11tKTjqAA==
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

2026-09-17T10:35:33.424294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064691
observed e159541b30d5593e8a99e1fd9a31c9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.406053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064691/manifest.json
observed 9befa003e2f680f6db7f85cd473d9536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.381178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064691/publication.md
observed 65f1ecd36222bc5cd7895390061cf2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.353653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064691/publication.txt
observed 35f8c9f95c184509db60cde37f1f4490...
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.