OpenTechnical

OT-2026-000060345

Publication integrity record

Single cup vacuum gripper, single 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-2026-000060345) never changes.

Identity and time

Publication numberOT-2026-000060345 · never reused
Internal UUID01a0ae8a-5a75-787a-8705-058b2464304a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060345
StatusPUBLIC

Content hashes

Canonical texte80cc7fa653ed3d85076ed88f3d53f3c2ac5417a6ef1494486f0d39be9455dd0
Markdown27a6465aed766be04b4b1d499d85b86a250006ec3f83b5eb75078a21605ae909
PDF
Publication page4dc0667b575ae5ed989bec517b3a31cf2a680a84ad2b5c0162a4b9369f9f6b61
Manifest68186b9d45e62e4dd5c8a1a5a2cbfdbe0cb7b824827940c19f05fed502fc83e2

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
SignaturemhYUnZfQm63Qok9PnPIJkcENwfcn2zvc3zuKl359ZLvUEQ9wb3OH+fM14YrJ+uHpNJEqiGbPy8jjkIlpeuqeBQ==
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

2026-09-17T10:44:04.915173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060345
observed 4dc0667b575ae5ed989bec517b3a31cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.889501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060345/manifest.json
observed 68186b9d45e62e4dd5c8a1a5a2cbfdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.865174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060345/publication.md
observed 27a6465aed766be04b4b1d499d85b86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.840465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060345/publication.txt
observed e80cc7fa653ed3d85076ed88f3d53f3c...
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.