OpenTechnical

OT-2026-000058089

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000058089) never changes.

Identity and time

Publication numberOT-2026-000058089 · never reused
Internal UUID01a0ae88-6eda-77f7-a637-e40c65b8f58a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058089
StatusPUBLIC

Content hashes

Canonical text81ad7073059d34f18d225b25d84b3c9790458d0f024adad79c922b1d817cdfaa
Markdown56e15d2cb362be3dd2f59c38771d2885eb0cb74b1ca88befba84157678a8c228
PDF
Publication pagedce29008224c3e6ea1b99662b46d179f8e7f50ab2edcdda96c01df627b8d5111
Manifestc5496922da5c2dc5342009cb6f2a0820d6a70a32795e9a06a1edf3393893571c

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
SignatureWfq93dC/D8P8K3doh3O6sQMKp1tfPvdEjSgJADdp6AliRifMwfEygqTGQ6QOjWrrQIhasNAo8I0BcweqwHEsAw==
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

2026-09-17T10:47:45.207967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058089
observed dce29008224c3e6ea1b99662b46d179f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:45.189478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058089/manifest.json
observed c5496922da5c2dc5342009cb6f2a0820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:45.172608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058089/publication.md
observed 56e15d2cb362be3dd2f59c38771d2885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:45.155349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058089/publication.txt
observed 81ad7073059d34f18d225b25d84b3c97...
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.