OpenTechnical

OT-2026-000067814

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000067814) never changes.

Identity and time

Publication numberOT-2026-000067814 · never reused
Internal UUID01a0ae8f-c4fb-7c31-953d-b2404bea3983 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067814
StatusPUBLIC

Content hashes

Canonical texta417b98bad92eb4821ec5ad58dc9ab7a56a478e041eab4d4f21c7f68d22155a2
Markdowna1951e1af0935d1250271fc9d9a0921cb0fd071320c9d5a21c2324699be89cd9
PDF
Publication page0bbf86d2c77dc349a7ac62340d2d68eba27399670ed734db82f6ba570b611c81
Manifest745b988fa56ba97c05c181b664c5889e56bbf290dcbfc1def6193a7837bb6739

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
Signature+mikwhzoHfjhamW8uDtx+jXz5gWzbDd6Qjr/Yy9dGcS7pfw5I9iWbpL9QTlSvA2o57XjgryllcLmBIKNLrUUBg==
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

2026-09-17T10:30:03.562057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067814
observed 0bbf86d2c77dc349a7ac62340d2d68eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.543166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067814/manifest.json
observed 745b988fa56ba97c05c181b664c5889e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.523001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067814/publication.md
observed a1951e1af0935d1250271fc9d9a0921c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.504528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067814/publication.txt
observed a417b98bad92eb4821ec5ad58dc9ab7a...
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.