OpenTechnical

OT-2026-000046479

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046479) never changes.

Identity and time

Publication numberOT-2026-000046479 · never reused
Internal UUID01a0ae7e-57dc-77cb-8497-eb82fee210fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046479
StatusPUBLIC

Content hashes

Canonical text21b72baf90270ab9442c47a12cef2f7f34ef50f29504cb10dd51c2713bcf5fcc
Markdown1938271f6d6bea7b8d2367017383ae4ccfd6cf5701a00d03c06f314c3ce13f5a
PDF
Publication page4219328061f40b3184d9da7411c4d1d17b9602e0baf229cd8b0eddec58186ed3
Manifest41ae5499649e39750c1c5aac0cef6f3712c9210befe12dae53a320740fdd21f9

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
SignatureuA8j7qkStIhuQp/lMgj1C1FBwIlFgajc3pkn9IX6M9RqDLjcuY75c6NSUQdqhTYfveDZNxXChkr9qJ1+OJ9hBg==
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

2026-09-17T11:08:30.804719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046479
observed 4219328061f40b3184d9da7411c4d1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.782166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046479/manifest.json
observed 41ae5499649e39750c1c5aac0cef6f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.764431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046479/publication.md
observed 1938271f6d6bea7b8d2367017383ae4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.665691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046479/publication.txt
observed 21b72baf90270ab9442c47a12cef2f7f...
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.