OpenTechnical

OT-2026-000062690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000062690) never changes.

Identity and time

Publication numberOT-2026-000062690 · never reused
Internal UUID01a0ae8c-6388-7a33-8041-43f103e733a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062690
StatusPUBLIC

Content hashes

Canonical textd3f147f932c7826b9b6a9ffdb61724652c2b87e4dc3519e992c978e199bf2e54
Markdown44fc212ecf61869946814d340a631226728ec9b4255ec265c32d732f0e4d29f7
PDF
Publication page0e9ac08198c8e60ab69343a6771af1e6dbb3836acee8bc97dc8f08079e5d0ab9
Manifestf61c368d2d471f3bd233fdbe69fb269529442dd564ed6ed812f519a4c13b4a24

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
Signature5+Pa3mKiSjml2sxCzjirLKVWwK09rrYPl4wcr/1c6k1i8jf6Mi46T3N8e9nYLUp6ff7o2ZjD/bJMFmwOXFqsBQ==
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

2026-09-17T10:39:15.024517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062690
observed 0e9ac08198c8e60ab69343a6771af1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.008353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062690/manifest.json
observed f61c368d2d471f3bd233fdbe69fb2695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:14.991497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062690/publication.md
observed 44fc212ecf61869946814d340a631226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:14.974550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062690/publication.txt
observed d3f147f932c7826b9b6a9ffdb6172465...
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.