OpenTechnical

OT-2026-000034543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034543) never changes.

Identity and time

Publication numberOT-2026-000034543 · never reused
Internal UUID01a0ae76-1ed0-7dc9-a88a-e5c20a66f272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034543
StatusPUBLIC

Content hashes

Canonical textbfaadfcfb186ea7dd69eb261661fe60aa600bda649aab659d7f0b0a93dd610fd
Markdowna516703cbc371d30bb67d5534d382bb326a36000f01bc1b5c0f6c4e775bedba6
PDF
Publication page42b7ce91471150f1e1bd929574c0acc506a67ea5b357e186a61917bc8a4fa208
Manifest4cab2b75bfbe1b73f7c0a756b3868ac7d61606bc6f62ae8feda4ba654caeb339

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
Signaturev35tiWpMbnUZfFaD15cLvjHssnct/ft/qekUilnWCBlIKYzXNYxkWlmHlX8z1MvYjrZt9itkFgOE7UFo6KRADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:54.202584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034543
observed 42b7ce91471150f1e1bd929574c0acc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.184317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034543/manifest.json
observed 4cab2b75bfbe1b73f7c0a756b3868ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.154923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034543/publication.md
observed a516703cbc371d30bb67d5534d382bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.134122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034543/publication.txt
observed bfaadfcfb186ea7dd69eb261661fe60a...
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.