OpenTechnical

OT-2026-000011670

Publication integrity record

Single cup vacuum gripper, three stage ejector, pulsed 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-2026-000011670) never changes.

Identity and time

Publication numberOT-2026-000011670 · never reused
Internal UUID01a0ae6d-1940-79c9-8a4f-4ac766cb592b · 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-2026-000011670
StatusPUBLIC

Content hashes

Canonical texta3867a4b15b5ec0d3fcefd9076107d3a56df8e182e289573e23e589f6534a47f
Markdown6e063b9f3290ddc59b74ad5a25eb2d542d45b7ae2150d0859bd64c207b182ae3
PDF
Publication page84695fc7a5a6c151d9e66eee903f236e69b98d7a0b4e13a9df4cacde24c24695
Manifest4c7bbc1fe0a838abebffe03662970e823eec2f5607940b78b8f8e1511a7aff88

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
SignatureovLe4qH+WwTT2bKLoQ5zkg1zyIAm2c+7djSa53/hhJ0awf7mUg7CbpXukvzc++d4h3EQrhJyQqlSKe4FtKIJCg==
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

2026-09-17T12:12:15.822534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011670
observed 84695fc7a5a6c151d9e66eee903f236e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.803223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011670/manifest.json
observed 4c7bbc1fe0a838abebffe03662970e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.782098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011670/publication.md
observed 6e063b9f3290ddc59b74ad5a25eb2d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.762301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011670/publication.txt
observed a3867a4b15b5ec0d3fcefd9076107d3a...
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.