OpenTechnical

OT-2026-000092513

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092513) never changes.

Identity and time

Publication numberOT-2026-000092513 · never reused
Internal UUID01a0ae9d-b5fd-736f-8e27-0049eb47a0a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092513
StatusPUBLIC

Content hashes

Canonical text1b3f82e0c02b0d142818ddff9605ba664013dca082c992df6729b909c8a857b7
Markdownd8d91f7df55ecb225c2f78082da6a34de9d2c9b77c1a39239f8665d1a1f91399
PDF
Publication page344412f3167978c97041ee1ee3bb9cf44035c65e53cafd6797a58a919f3ed6ec
Manifest46b6b3b826ab6e95b53d3bc64cfe1817b428f598d5a70e7ce0176846437c8f8c

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
SignatureLzTdHx3imPfLkdKvGR+adYUxNQP2ctR8w0xPfbtRVwSmWDFHOZcTEGxtK3lhZ389CqeOIavJPXGmmMPsOcZ5Ag==
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

2026-09-17T09:41:05.208092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092513
observed 344412f3167978c97041ee1ee3bb9cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.190820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092513/manifest.json
observed 46b6b3b826ab6e95b53d3bc64cfe1817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.174033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092513/publication.md
observed d8d91f7df55ecb225c2f78082da6a34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.157747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092513/publication.txt
observed 1b3f82e0c02b0d142818ddff9605ba66...
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.