OpenTechnical

OT-2026-000086137

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000086137) never changes.

Identity and time

Publication numberOT-2026-000086137 · never reused
Internal UUID01a0ae99-e82b-732b-b06b-b02548ae28ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086137
StatusPUBLIC

Content hashes

Canonical texte91aa4974429ae215b73703d2fe9cac7547a56ee7800082f33490d9679916e39
Markdown0069babf8758c0f2e144d28eace08b98a099538da04a1d067b7a8ead6c7143a8
PDF
Publication pageb05b5813e87db169109a4e3907f289c0535ae471c9e817ae68792d9974b6a1a3
Manifest118990f8d175eecc1dab781b1bf352d9da06158c3bafed7a3ab5816ff8be024b

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
SignaturefG5ZRHeEGeYqv9Gd+CRScvCm2Fd9wWAJijglcY4+D6+kCdABPTPn/wCrRgkYIAWYsGKsSJjwubBP/riIifxZBg==
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

2026-09-17T09:53:48.113386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086137
observed b05b5813e87db169109a4e3907f289c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.093474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086137/manifest.json
observed 118990f8d175eecc1dab781b1bf352d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.076273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086137/publication.md
observed 0069babf8758c0f2e144d28eace08b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.054341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086137/publication.txt
observed e91aa4974429ae215b73703d2fe9cac7...
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.