OpenTechnical

OT-2026-000061670

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000061670) never changes.

Identity and time

Publication numberOT-2026-000061670 · never reused
Internal UUID01a0ae8b-b8aa-7965-bc1f-779dee68e683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061670
StatusPUBLIC

Content hashes

Canonical text7871eec237103122ce11bf7b46ae0281fe4228f3f130bda98918c9d7494206ea
Markdowna3de86fcbf2162a36a7536eb2b3c5a979d154333474271cc2f45873386a377ee
PDF
Publication pagefa3bc6d39e718967200f491ed920d6c612acb275ac6de38aa27ff351a6e09f16
Manifest0760716e289bca8b8771079310796d2261e3aafff6b18ea3ee288eaca9534f4e

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
SignatureiCEQjx8zNpKZTdkNiecVEP2/ZCD409K8EldjDScPJYOImJ3S345I/MS7BfzWVlCKwkcBK0LKLRFp/rS1ferOCg==
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

2026-09-17T10:40:13.308783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061670
observed fa3bc6d39e718967200f491ed920d6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.283942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061670/manifest.json
observed 0760716e289bca8b8771079310796d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.261351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061670/publication.md
observed a3de86fcbf2162a36a7536eb2b3c5a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.237645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061670/publication.txt
observed 7871eec237103122ce11bf7b46ae0281...
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.