OpenTechnical

OT-2026-000070457

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070457) never changes.

Identity and time

Publication numberOT-2026-000070457 · never reused
Internal UUID01a0ae91-545f-7c62-bcce-c87607d01815 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070457
StatusPUBLIC

Content hashes

Canonical text4521c487e8b3c089370ee910c95736dc942fd0690d4858023e6957f7ac4db779
Markdown7e6934f6ea449d9519098a96138367a31d1216b706bcf56b590b4e5a5386036d
PDF
Publication pagefdbf85d4a67363591f6611e496092b041758b4ba4245cef7327525d28212d151
Manifest09af1957d651e07852bb66e8985bb940a04e34455a5370d501d79117fc295471

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
SignatureuXwTjDfmiMq/0Ytv4AXMO4lVI5zXIE0djgrd4kJoOaz4S8WN4tPIDCK/ae0W4co255gTZoAXCZ0RWo9pGSKiAQ==
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

2026-09-17T10:26:16.962814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070457
observed fdbf85d4a67363591f6611e496092b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.945767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070457/manifest.json
observed 09af1957d651e07852bb66e8985bb940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.927748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070457/publication.md
observed 7e6934f6ea449d9519098a96138367a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.910001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070457/publication.txt
observed 4521c487e8b3c089370ee910c95736dc...
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.