OpenTechnical

OT-2026-000084408

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000084408) never changes.

Identity and time

Publication numberOT-2026-000084408 · never reused
Internal UUID01a0ae98-5b62-75c8-854a-0395afd2f5e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084408
StatusPUBLIC

Content hashes

Canonical textd43f16fa676445cc2c3ab67e675c72c880442ee49f9da63f771a444ce0df883a
Markdownaed7853dcc1037d02b160b73d5f913885e5f234be57fff24b2ceb2d4e33d76d6
PDF
Publication page222175d3a127d16c48c45ed1a603c418cb641d17eea6f3bd5f88e351dc3d1c42
Manifeste951d64912132522fc2c5a90307f1c0c2ed49bb8e834b4769481f907af5c19cb

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
Signaturewt6XwfPq3qolfEhwlEB5KakaxDrTrIPPtP7OA3mSHCOWfkHdiYjsjsUaKuyLkOR0wPaM1QN/OGpw2yIYt12wCw==
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

2026-09-17T09:56:21.333765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084408
observed 222175d3a127d16c48c45ed1a603c418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.317437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084408/manifest.json
observed e951d64912132522fc2c5a90307f1c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.299040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084408/publication.md
observed aed7853dcc1037d02b160b73d5f91388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.281284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084408/publication.txt
observed d43f16fa676445cc2c3ab67e675c72c8...
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.