OpenTechnical

OT-2026-000082593

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000082593) never changes.

Identity and time

Publication numberOT-2026-000082593 · never reused
Internal UUID01a0ae97-8cc8-77c4-a6db-84734ef6c749 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082593
StatusPUBLIC

Content hashes

Canonical text4fff59d0b85125fa0b4464e8b3416600e9d985ffa805a3ee3a5bffbebe54aef3
Markdown69e7fc24950d996f3b25b6db5204512791756c6e9f1b98ea7809a5ccae58cb98
PDF
Publication page6ea2a4e2aaee42adf37ccf1cbeac5597425b5a6b8c36bd02d76e40bed4ddcf6a
Manifest14e5f52dc749061e5d000d4484d3417d9f8fba53ddf481598eccde0c14570688

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
SignatureSI+Ze9eVNVv6h9uPDRIF7YyimWo6RQA8PNVYQmdbwd+6cYF6+rSzFZRbwUZsrRmq2WrGNvSkrYzqlETYJhfSCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:02.161907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082593
observed 6ea2a4e2aaee42adf37ccf1cbeac5597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.146187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082593/manifest.json
observed 14e5f52dc749061e5d000d4484d3417d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.129228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082593/publication.md
observed 69e7fc24950d996f3b25b6db52045127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.113000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082593/publication.txt
observed 4fff59d0b85125fa0b4464e8b3416600...
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.