OpenTechnical

OT-2026-000060870

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000060870) never changes.

Identity and time

Publication numberOT-2026-000060870 · never reused
Internal UUID01a0ae8a-b7d2-76b8-ad34-8e3cec6d146d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060870
StatusPUBLIC

Content hashes

Canonical texte8e55467855d1aab5b610659cb6b0f128d380ff9f33ab87d2d5e372e156ff10f
Markdown8143ddd75065e388b622d9f84db4eeca677f3332ba09d32a155e742117fb21fd
PDF
Publication page373acd97629f6d09a8180faef01259a57eff30d27b1975dc1596984674067e37
Manifest65a620a934e9db777b2a533e88f6e1e92c45858dfb5ae8d26116581851fe6863

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
Signature5eHX0JuwTRaWDTGWhTIOVsJ0PuJjfaMQj0czHnpgB8pDY+kCOCOE6/o1uhOyHNSZ0yDJN4S/oymI7zOdYi98Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:37.850446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060870
observed 373acd97629f6d09a8180faef01259a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.834422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060870/manifest.json
observed 65a620a934e9db777b2a533e88f6e1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.818143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060870/publication.md
observed 8143ddd75065e388b622d9f84db4eeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.800847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060870/publication.txt
observed e8e55467855d1aab5b610659cb6b0f12...
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.