OpenTechnical

OT-2026-000011838

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000011838) never changes.

Identity and time

Publication numberOT-2026-000011838 · never reused
Internal UUID01a0ae6d-1941-7ab7-a2a8-93a9bc43eac0 · 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-2026-000011838
StatusPUBLIC

Content hashes

Canonical texta62a0686e564ab66c135676be63215374516c0800f8bb92f1c8250269dd55856
Markdown8157f6d2bd05caeac8f8a72b03d26e62d13584b25c95d0e1af108b79d21c2d2a
PDF
Publication page567c3559cad25fa1e7548d7a0e986c3215b6c57273114fc00c7c5286431a0b07
Manifest7c63714657b0aef9b033c50fba5bf18ab2e1f7da31d3192044d5af77f6b51f5e

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
SignaturelZTl5CpnaJ3e7mJEjARjllc9nqGdmYletAq5FYzOEynZ5yN65yAa5PPbzoKThtnQO5Nh4Z6DqqEignG5H93rCg==
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

2026-09-17T12:12:34.511619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011838
observed 567c3559cad25fa1e7548d7a0e986c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.492246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011838/manifest.json
observed 7c63714657b0aef9b033c50fba5bf18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.473935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011838/publication.md
observed 8157f6d2bd05caeac8f8a72b03d26e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.455860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011838/publication.txt
observed a62a0686e564ab66c135676be6321537...
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.