OpenTechnical

OT-2026-000007594

Publication integrity record

Single cup vacuum gripper, two 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-2026-000007594) never changes.

Identity and time

Publication numberOT-2026-000007594 · never reused
Internal UUID01a0ae62-4df8-7458-b0e2-41afb7aea451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007594
StatusPUBLIC

Content hashes

Canonical text4d19a4572f5b8805433e5747205931e5f988b2605ab00998e97c8e03afe3460e
Markdowne001fffc29e99e4c467f6d566422508b53e09d69d7f1d01e45386d092ef91f18
PDF
Publication pagea372c44ba2d0208022491d237f1c7182f114fe178e1edb30bd5eefdd7d75876e
Manifest8315059805fd948a68dee0c08c4d435da26122eff389e759cc237d533e43c3d6

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
SignatureyY5wU9iXW9X0iL3pJ2/NsZ/KGPyiw78RSmtI8uG4WrFHglOIujLmspOH4zyplvuasl7LJxOOEj9XhM/M17t1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:54.176954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007594
observed a372c44ba2d0208022491d237f1c7182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.157940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007594/manifest.json
observed 8315059805fd948a68dee0c08c4d435d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.133660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007594/publication.md
observed e001fffc29e99e4c467f6d566422508b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.111602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007594/publication.txt
observed 4d19a4572f5b8805433e5747205931e5...
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.