OpenTechnical

OT-2026-000095542

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095542) never changes.

Identity and time

Publication numberOT-2026-000095542 · never reused
Internal UUID01a0ae9f-8f74-7264-872b-bec4aef5b6c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095542
StatusPUBLIC

Content hashes

Canonical text54621b305df8629064f463d212124521d56124e8b8f7f418b8cf70b4f64065fa
Markdown3f8f074a0aba65eaa23e8db030422bb39f03b821c8183afff59bf1c5c0a10356
PDF
Publication page45807cbd2ca82d325d89ba410aa37c3794f550225769bc9dc64a95319577de1a
Manifestc52d0b75abf8792d08db34c5868082f44913c97ac1980bc764355508975ab903

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
SignaturescA6WqqOsKey4Hy3uiDUJLz4XakDOF9BbBLdHWd/Nh2ur5VIf/p9KXxBeixKPLI3lSLVSIrC+OqkfMfY2X/AAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:57.299825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095542
observed 45807cbd2ca82d325d89ba410aa37c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.284524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095542/manifest.json
observed c52d0b75abf8792d08db34c5868082f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.269308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095542/publication.md
observed 3f8f074a0aba65eaa23e8db030422bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.251296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095542/publication.txt
observed 54621b305df8629064f463d212124521...
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.