OpenTechnical

OT-2026-000062974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000062974) never changes.

Identity and time

Publication numberOT-2026-000062974 · never reused
Internal UUID01a0ae8c-94a9-7d0c-ab65-87ac84fdd7d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062974
StatusPUBLIC

Content hashes

Canonical text185758a31835d2699a5f7078e3563ec4232a7d087b46e104387e718661bd0199
Markdown805d6268db53aa5e27a04abd5327c60b78a0a033d20663b6d4629e8ae2985f38
PDF
Publication page98e5eb7819794b90aeeeb17c9d2ede7cf4571b159a4276943110db718618d964
Manifesta51a5013c1b26f6f1b4b51a56fc2339e6de637cbf0817de90e0d68a24fbfa416

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
Signaturehc9SOhBghEoOJ74cJg6cdEDgR54+f8Cqz0vtbhg58gDxEt2VQwDVWhid3O9GeQLtN96l8xDdhsPRAbyavpsbCw==
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

2026-09-17T10:40:29.496700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974
observed 98e5eb7819794b90aeeeb17c9d2ede7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.475942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974/manifest.json
observed a51a5013c1b26f6f1b4b51a56fc2339e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.422446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974/publication.md
observed 805d6268db53aa5e27a04abd5327c60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.377207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974/publication.txt
observed 185758a31835d2699a5f7078e3563ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.439827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974
observed 98e5eb7819794b90aeeeb17c9d2ede7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.421444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974/manifest.json
observed a51a5013c1b26f6f1b4b51a56fc2339e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.401475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974/publication.md
observed 805d6268db53aa5e27a04abd5327c60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.350329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062974/publication.txt
observed 185758a31835d2699a5f7078e3563ec4...
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.