OpenTechnical

OT-2026-000057873

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000057873) never changes.

Identity and time

Publication numberOT-2026-000057873 · never reused
Internal UUID01a0ae88-6ed8-7e1c-8d38-2155b7349e08 · 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-2026-000057873
StatusPUBLIC

Content hashes

Canonical textb5dde8292c13354e882ae4762d3cefaf2a13738dff6432edd5a3745bda2f008d
Markdown4a14a7c6e2d6aa5397bf09fe34c84e5c9ca343465662c2b2c58c1b1b70d28340
PDF
Publication pagea93d7df6ee980ab1838b389c538dc114e2f5fa1970946a52e349654dd462ea75
Manifest5927c628986cbe689c6b732769152e1f88b7e8453cb75ffa6b83ed37904856ca

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
SignatureQvRABKxbXh9l1unr11+fri8V9Jm52Pi09gD6AOZBkIElYBZEDdXYYgBw3dBLooTJd1uxHnvKD+8zWSwwbojkBg==
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

2026-09-17T10:47:27.575454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057873
observed a93d7df6ee980ab1838b389c538dc114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.557609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057873/manifest.json
observed 5927c628986cbe689c6b732769152e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.538913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057873/publication.md
observed 4a14a7c6e2d6aa5397bf09fe34c84e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.519323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057873/publication.txt
observed b5dde8292c13354e882ae4762d3cefaf...
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.