OpenTechnical

OT-2026-000078786

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented after set-down

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-2026-000078786) never changes.

Identity and time

Publication numberOT-2026-000078786 · never reused
Internal UUID01a0ae95-ccbd-77e0-8c59-e366233f889c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078786
StatusPUBLIC

Content hashes

Canonical text07e96a9bd026137d213d1475cb5a71d7d7c088d9f0197c07499ffd7c01c23b7b
Markdown21946c20bff80a4ee287993383874a575f7efdf6baf9cb3810e93b8d14a9020a
PDF
Publication pageee1b01c1fdc56c3aa8177eb01d6104064084bc9b71a311e1f000a9a4f7476759
Manifest88bfd1521acb79f0f004d11720756388eda82ca4a30fa5a050e802e6acfa9816

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
SignaturesEkhYsL1ONNhMlU/0Uz130ETEITYyP/lFhqzV/8+F28qLK4/Y4YVSw5NPxTayYWL4yWac5LQ+6NEvkNhOvcmDg==
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

2026-09-17T10:05:34.485448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078786
observed ee1b01c1fdc56c3aa8177eb01d610406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.468731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078786/manifest.json
observed 88bfd1521acb79f0f004d11720756388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.452419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078786/publication.md
observed 21946c20bff80a4ee287993383874a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.435596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078786/publication.txt
observed 07e96a9bd026137d213d1475cb5a71d7...
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.