OpenTechnical

OT-2026-000071876

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000071876) never changes.

Identity and time

Publication numberOT-2026-000071876 · never reused
Internal UUID01a0ae92-1e93-7703-ab2f-a46a654ee301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071876
StatusPUBLIC

Content hashes

Canonical text8669f76cdf7f44a34545531476dc694a6530198c54454243a2aa04bfd6cf835a
Markdownf39c1c58d7de6d3cae4999d7c933574a15691440addbc855816b1899591d0d3d
PDF
Publication pagebc0d5de81fa605870a3d71c64eb8248da20896abf1abed387346d2817ced6da4
Manifest8888679c6d2e00b34188dc8d81af818cc2690efef929140c62631fbc915b0b51

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
SignatureWkyPm4F0nWyapQVwL3GXRb6gHb8Dh+Wyo2V+sQe9wXPadzxzwaB05CNSHLYSx4kH+eWiqdmVRDHvhxQMKXHSAw==
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

2026-09-17T10:24:34.744809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071876
observed bc0d5de81fa605870a3d71c64eb8248d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.727276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071876/manifest.json
observed 8888679c6d2e00b34188dc8d81af818c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.709556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071876/publication.md
observed f39c1c58d7de6d3cae4999d7c933574a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.689182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071876/publication.txt
observed 8669f76cdf7f44a34545531476dc694a...
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.