OpenTechnical

OT-2026-000067394

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000067394) never changes.

Identity and time

Publication numberOT-2026-000067394 · never reused
Internal UUID01a0ae8f-6bd8-72e8-bb0c-6c56436c05e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067394
StatusPUBLIC

Content hashes

Canonical texte1ddb6efe7b566d52978c8c106d585cd43f0bde69d76bf099fcfdc5b4e5ee886
Markdown23b3b3ae373de9dbd9101e4225634df9f34546753790d48310c1fcca4281638b
PDF
Publication pagedea8a2d38cb48d250d3a0b157ac9f1c1484d9d3d9da5f2247c6f255b95bd5cb9
Manifesta2c963c61645b346a082c5174dc5f709d261b7f1ab5184783309fa38a7798a22

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
Signatured2A0tojAyqW41p+ifB5IhySBqv1/fRIX9Li0ewgobD5eN3/m4jaP4Na08C49aoVFNu4r8crwaSHubZz8CZGyAQ==
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

2026-09-17T10:31:35.184861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067394
observed dea8a2d38cb48d250d3a0b157ac9f1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.167940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067394/manifest.json
observed a2c963c61645b346a082c5174dc5f709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.152885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067394/publication.md
observed 23b3b3ae373de9dbd9101e4225634df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.137804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067394/publication.txt
observed e1ddb6efe7b566d52978c8c106d585cd...
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.