OpenTechnical

OT-2026-000088840

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088840) never changes.

Identity and time

Publication numberOT-2026-000088840 · never reused
Internal UUID01a0ae9b-8f10-76a6-9e7e-9c6abbe86b5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088840
StatusPUBLIC

Content hashes

Canonical textd3d86c1ab2f39fa4c30aa4a8d43a282ced00b8a5294e874a9a03c8d4e4278c3b
Markdown2a1ff468659da203a1c2e385c6503d7f3098906e62141d26feeef86745c7d807
PDF
Publication page64a5ed72a6459c246c1fb13e4e7b41c54b61ed8355fefcab6668c529a50a4317
Manifest5e9bb8cadf450d9c6ed2f0cbc4b6dd0d2071d3f659a25d49c51df8ade136ba71

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
Signature6z0PEXIU0No548Ky+VWNr7eS6/VljsdTBSKPbOkFpJeIar+pACGvMyo/nJHB0nUvPlONTKgGK136ykFmd3sHBQ==
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

2026-09-17T09:47:56.722413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088840
observed 64a5ed72a6459c246c1fb13e4e7b41c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:56.703521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088840/manifest.json
observed 5e9bb8cadf450d9c6ed2f0cbc4b6dd0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:56.684988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088840/publication.md
observed 2a1ff468659da203a1c2e385c6503d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:56.667305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088840/publication.txt
observed d3d86c1ab2f39fa4c30aa4a8d43a282c...
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.