OpenTechnical

OT-2026-000061494

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000061494) never changes.

Identity and time

Publication numberOT-2026-000061494 · never reused
Internal UUID01a0ae8b-7b44-7f7d-b641-150015656c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061494
StatusPUBLIC

Content hashes

Canonical text5e2529c42ca630f13156b466d654515d1f0ca11def3141285c361aa6c8aebffc
Markdown0337152aecfd6e615c4769427de5ba37ba44a0eff1341de2954a6ebbd2e91bea
PDF
Publication pagea283dff5a0faf03d91ef5d63c32ca34b7c9cf155a231a7a74452910b858cd4fd
Manifest0f4e25b597243aa56c63b7dcd4aed5725eb4b25e0d3c336a44870c7ced5a950e

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
SignaturePDsh/bMEm2GjWBQjDEty3lKN5zSgxSBmHHgpqsZpz36nrJVNTSjNOVv/vxgDd+Y0gGWHIhfHK38+9aG8DowRAg==
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

2026-09-17T10:41:23.203657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061494
observed a283dff5a0faf03d91ef5d63c32ca34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.186487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061494/manifest.json
observed 0f4e25b597243aa56c63b7dcd4aed572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.169423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061494/publication.md
observed 0337152aecfd6e615c4769427de5ba37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.152600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061494/publication.txt
observed 5e2529c42ca630f13156b466d654515d...
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.