OpenTechnical

OT-2026-000075732

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000075732) never changes.

Identity and time

Publication numberOT-2026-000075732 · never reused
Internal UUID01a0ae94-29fe-766f-be5f-309657ee1f4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075732
StatusPUBLIC

Content hashes

Canonical text0c0b13664f2a485b5d8a0f8ee7db954b1fda3634ad13fd3649e7bfa5d5f1c108
Markdownf367bfec3afe7edaa336d0456e6bfce5be1668cd06e03c581e421f1582eaa406
PDF
Publication pagedede1df20826417ebba4be3e192dddea0c888f2d1499a6ca3bd9772b947631f5
Manifest94daa5e32bd71ef7220986898cf3e85159d1fc38acbc3e7d820b0f34b25a430a

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
Signaturesc1Pgx3BIT7P1L+uEXeuMz5rM5uZPJOsdOOGV8Ucx3gJmvXEX+jIIK5C6/irE5Jc94NMicT7BAXu+AVFMo6LDQ==
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

2026-09-17T10:14:02.252497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075732
observed dede1df20826417ebba4be3e192dddea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.231434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075732/manifest.json
observed 94daa5e32bd71ef7220986898cf3e851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:01.695344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075732/publication.md
observed f367bfec3afe7edaa336d0456e6bfce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:01.544650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075732/publication.txt
observed 0c0b13664f2a485b5d8a0f8ee7db954b...
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.