OpenTechnical

OT-2026-000048039

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048039) never changes.

Identity and time

Publication numberOT-2026-000048039 · never reused
Internal UUID01a0ae7f-c423-7998-8b32-148d75d9d126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048039
StatusPUBLIC

Content hashes

Canonical text33fab3858032a297521663200fbd66597daec936d407a06fc44cdf3137c2785c
Markdowndb58f875439ee49bb252d09202a153d1d673178a9ec3adc316d7533e2eed9b0b
PDF
Publication pageffec4084a8333d37f7416789245535b465e819deaa231570a01eaa07f37f15a7
Manifest8b85fe101526b8ce9695ecb2166c9be6913389c2aa9cf788206ccf4e36da75b5

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
Signature0UxesGpy+VyosJcTQuDtekVja48aTz3oxoBJmrXSrLguHNfw45qCvpXJOuCkNAyhJXItifUCXaOo1tEsdJC8Dw==
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

2026-09-17T11:06:02.423548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048039
observed ffec4084a8333d37f7416789245535b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.405584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048039/manifest.json
observed 8b85fe101526b8ce9695ecb2166c9be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.387531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048039/publication.md
observed db58f875439ee49bb252d09202a153d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.369436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048039/publication.txt
observed 33fab3858032a297521663200fbd6659...
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.