OpenTechnical

OT-2026-000092848

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000092848) never changes.

Identity and time

Publication numberOT-2026-000092848 · never reused
Internal UUID01a0ae9d-b601-7fd7-9568-5a2a49f69bfd · 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-2026-000092848
StatusPUBLIC

Content hashes

Canonical text81936e5174d4bbfd7ef57002b16d60abd2915ba4c412b5fd1c757f2a32c8aa98
Markdownf6ac755f939b684ef578200e52107a636f838448720f370c8064d2669b227cd8
PDF
Publication page21fa2f98e552e30960a7a64857982bbc6f9727d0ca65a4b02a4cfd7bdb7d9d23
Manifestffaceed1814f5940b278037ffd024861d6b8491b0f74f7557f246b635b4f3172

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
SignaturemWd7Rv65R8BVLvl9f1qPp6jUwwdAXwx9uIPo0viS59+ibmZKe6O+lXKsq7pvn4bIUa7j3WwQ6FsT1OvjWkfaBg==
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

2026-09-17T09:41:30.181485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092848
observed 21fa2f98e552e30960a7a64857982bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.162385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092848/manifest.json
observed ffaceed1814f5940b278037ffd024861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.143807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092848/publication.md
observed f6ac755f939b684ef578200e52107a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.125298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092848/publication.txt
observed 81936e5174d4bbfd7ef57002b16d60ab...
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.