OpenTechnical

OT-2026-000100997

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100997) never changes.

Identity and time

Publication numberOT-2026-000100997 · never reused
Internal UUID01a0aea3-c377-7591-b935-b9c8de786a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100997
StatusPUBLIC

Content hashes

Canonical textf9eda61f8f5b74e8d2fc54d53727d057afd177f3cee377491c007230677c2b78
Markdown8b7d80cf48dcbf80c866940b66227e74bed0c9347a2da490e5c7572e347a55c9
PDF
Publication page6f570bed7d2722ee4c96626b38c0a823d3f890152e4af176701566c2533609a1
Manifest16781463f2a06954f65b38af34356844542ce1d48344f75eb3964b67cbf71ae8

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
Signature92cORxIjBxSsmfaagpg4cp+N9UTGHnHEE9FUpS4V3+dEqDv09jlas3HdD428bzI2SKZRXQBkkzTBoJcyhVnACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:35.849691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100997
observed 6f570bed7d2722ee4c96626b38c0a823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.831486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100997/manifest.json
observed 16781463f2a06954f65b38af34356844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.813052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100997/publication.md
observed 8b7d80cf48dcbf80c866940b66227e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.788577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100997/publication.txt
observed f9eda61f8f5b74e8d2fc54d53727d057...
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.