OpenTechnical

OT-2026-000063561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000063561) never changes.

Identity and time

Publication numberOT-2026-000063561 · never reused
Internal UUID01a0ae8c-f945-73bd-8693-293cbef4ea5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063561
StatusPUBLIC

Content hashes

Canonical text89c411d32629a5d86faaddc5dcd94865dd2f690797c2c1bd0145e41d0f799b42
Markdown3a937bd0f7162ab8282ec40006ef5ac46d13ea80f081194816e0fd2377908a1d
PDF
Publication page61cdf7fe07472c9667b0354d5dfcf215b8f82cd30e3d68c10b403fc57ad729e1
Manifest9768b5e710689e9376e35b055822fc3d89cdcabcb6b9debdd917406f59dd5e12

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
Signature+oH6zfaS6STFR097aPthMd4AcqUVax9UpGOyziyB16rG9zJG2MGmWTTXUthYACBOsR4kpteJfx/Nt7R5UOgJBQ==
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

2026-09-17T10:37:34.009136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063561
observed 61cdf7fe07472c9667b0354d5dfcf215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.988613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063561/manifest.json
observed 9768b5e710689e9376e35b055822fc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.967590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063561/publication.md
observed 3a937bd0f7162ab8282ec40006ef5ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.943181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063561/publication.txt
observed 89c411d32629a5d86faaddc5dcd94865...
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.