OpenTechnical

OT-2026-000070684

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000070684) never changes.

Identity and time

Publication numberOT-2026-000070684 · never reused
Internal UUID01a0ae91-8c2c-78b7-bdf9-53f2cca09b57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070684
StatusPUBLIC

Content hashes

Canonical textd3d91b5c61ce27c61202fd64b2cb5bc6297ea2fc4e43632c4e5745784b927b96
Markdown206aa425566aaa94fa9c4845ff3ae9413bcaad53da6c6f233c7a48f3ae5b9b2a
PDF
Publication page9c1607c36207184373df1a385afc2115458ea75def5c94e6529c3e5faa2db493
Manifest6c3bdb88e2b11e37485ac6b2f59ec569c7351ec075ce839c8288c6dd142191a0

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
SignatureF3JaPW18mpabm4VtH8HfxdOesbkk6Ffl2XwTRtv6WsZ5zSYb4E7L0IM668XTFJvtvY/1Yv0H0W11NZ63Of7aDg==
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

2026-09-17T10:25:21.851454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070684
observed 9c1607c36207184373df1a385afc2115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.834019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070684/manifest.json
observed 6c3bdb88e2b11e37485ac6b2f59ec569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.815478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070684/publication.md
observed 206aa425566aaa94fa9c4845ff3ae941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.800743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070684/publication.txt
observed d3d91b5c61ce27c61202fd64b2cb5bc6...
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.