OpenTechnical

OT-2026-000062593

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000062593) never changes.

Identity and time

Publication numberOT-2026-000062593 · never reused
Internal UUID01a0ae8c-0ac1-7e68-9bcb-49d591b7ec96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062593
StatusPUBLIC

Content hashes

Canonical text0c1f0613fdc4ad0b7c59fe41ca92e56fe0f80767114e7732a2a3b3c78cf1aac2
Markdown8c6c40617f42a6ccf79cb492778cd7ccf0649f07fc4f4e6d7b1c2c194b7c754d
PDF
Publication page5d9a75ffa55f6859ed36da2d12ed8f4cc8ef3dafd19bdd81c3eb86ae63f19775
Manifest95ff4a67eb1116df5aeef062242e46f2a803df85fca3c9123f5fe790488ab45e

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
SignaturefKdlgD0QYW+vBq8wzqs6ZD6mvPXnfvI9Og89i310XvV1VnFzMLlp/pXgyJX7UAObEK3aQ1H1TK5EGoO0f6j9Bw==
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

2026-09-17T10:40:05.323407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062593
observed 5d9a75ffa55f6859ed36da2d12ed8f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.300411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062593/manifest.json
observed 95ff4a67eb1116df5aeef062242e46f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.276035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062593/publication.md
observed 8c6c40617f42a6ccf79cb492778cd7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.252542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062593/publication.txt
observed 0c1f0613fdc4ad0b7c59fe41ca92e56f...
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.