OpenTechnical

OT-2026-000075740

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000075740) never changes.

Identity and time

Publication numberOT-2026-000075740 · never reused
Internal UUID01a0ae94-29fe-748a-b21f-9f5af319bdb7 · 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-2026-000075740
StatusPUBLIC

Content hashes

Canonical text7b9e72cb37a5c771a1ba499b2b50caf1eb2159c5ff4f467f4a0b0e544dd95956
Markdown366dcf62a48a196719036d7cffd8cba7586c52cdf4856c97b6bff440c77d2418
PDF
Publication page6be624dd58609b8e590c30cda588ef8ac9ca3c4624fefcfd42cc4bc2cee76fb5
Manifestc41a0a4343580ce7d02fe250863d16d4f331acf34c218264fc0821eda16f0a7f

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
SignaturepjPhe+bGncmEWszYl/ye3hF3CzluCjVVQOELcCJFHAvSrh217AyEf9bIEvILo+8Sd1sYCr/92IX1ly8XzhIAAA==
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

2026-09-17T10:14:03.990544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075740
observed 6be624dd58609b8e590c30cda588ef8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.970004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075740/manifest.json
observed c41a0a4343580ce7d02fe250863d16d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.947016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075740/publication.md
observed 366dcf62a48a196719036d7cffd8cba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.807657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075740/publication.txt
observed 7b9e72cb37a5c771a1ba499b2b50caf1...
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.