OpenTechnical

OT-2026-000091846

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091846) never changes.

Identity and time

Publication numberOT-2026-000091846 · never reused
Internal UUID01a0ae9d-43ba-7d4d-98bc-e74638b785f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091846
StatusPUBLIC

Content hashes

Canonical text761bb272eddfa4b4c78e40ca5be0d2a67dabd5c4f6b3e9ebef9b61aab191dc01
Markdown249f400515d8d2dd4e2fe9f4dc7879265a0f27d37691aa0f9bc6c32e6e07a537
PDF
Publication page552725ef90c96899a9999bd852fad3a33adaeb0147ac9a92e8599dd2fd82d3ce
Manifest8e799920954ef4dd1f6f9232210ae452704beb2bd2deb4c92ba89b15f0ba909f

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
SignaturelDLHHZy11bR7xLoNYXQTtefEXOo4kWYkyID+yFfBznbqgApSzZhb4RFXbuGvzBMjRqJNA9IK+y9VGRVf1KkqAQ==
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

2026-09-17T09:42:46.043651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091846
observed 552725ef90c96899a9999bd852fad3a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.028026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091846/manifest.json
observed 8e799920954ef4dd1f6f9232210ae452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.011831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091846/publication.md
observed 249f400515d8d2dd4e2fe9f4dc787926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.993348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091846/publication.txt
observed 761bb272eddfa4b4c78e40ca5be0d2a6...
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.