OpenTechnical

OT-2026-000011652

Publication integrity record

Four finger pneumatic gripper, 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-2026-000011652) never changes.

Identity and time

Publication numberOT-2026-000011652 · never reused
Internal UUID01a0ae6d-1940-71db-b990-894640e52582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011652
StatusPUBLIC

Content hashes

Canonical textf3623ca50b229fdf07979743c18db9faf43e9215b5beb92ac18a54cb83022c1d
Markdown1dd6c80157ab4bde617899e0f9f6a6706ad8dff410261f39a4319dbaafb75ad4
PDF
Publication page1254e0e0ae51253b6d92d50990874aee4f99d85a775744945af46b8f2436b156
Manifest46cb636d8014e4f2752a1d84a7c4482f3e3d72b45726b000d2134e7038749103

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
SignatureNYzJVDjNVRhW9OY1fonlQD7OZJ+JfatTn7yJp2VkB4CZ/fs4e+NdPONMYF4Vlty2AckziNqnje/gSj1dreVYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:14.487808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011652
observed 1254e0e0ae51253b6d92d50990874aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.469298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011652/manifest.json
observed 46cb636d8014e4f2752a1d84a7c4482f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.451802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011652/publication.md
observed 1dd6c80157ab4bde617899e0f9f6a670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.431986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011652/publication.txt
observed f3623ca50b229fdf07979743c18db9fa...
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.