OpenTechnical

OT-2026-000071474

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented before 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-2026-000071474) never changes.

Identity and time

Publication numberOT-2026-000071474 · never reused
Internal UUID01a0ae91-e0ed-7d22-bfa1-c92355131f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071474
StatusPUBLIC

Content hashes

Canonical texteab308351725e887112663965b5f91dcb9794d838778928756d9e668e2fe173b
Markdownc5dd3e09eedb4e1b48ab05cdc5119eca3ab9dd681a8b5d3d576a0b7dde63d6ec
PDF
Publication pageccbf08b8928c9a84372dd896029115d6db4e12b9428b2fff0fd309a6a6d5aad6
Manifest7ae88debba865712248200bb454796b48759ffa60f4a42a52a41a5bbcb115a34

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
SignaturexkIU1hWeH4lh2wdMAIDBqv/j83B5A0Gk/gYSTAWdU5+42NZjuj5MFTfubGgD+Gx9+bx11/kAk7Et0P+M/8qhAg==
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

2026-09-17T10:25:06.925561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071474
observed ccbf08b8928c9a84372dd896029115d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.908921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071474/manifest.json
observed 7ae88debba865712248200bb454796b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.891327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071474/publication.md
observed c5dd3e09eedb4e1b48ab05cdc5119eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.873787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071474/publication.txt
observed eab308351725e887112663965b5f91dc...
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.