OpenTechnical

OT-2026-000069930

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-2026-000069930) never changes.

Identity and time

Publication numberOT-2026-000069930 · never reused
Internal UUID01a0ae91-1860-7746-9f2f-1f5e4501fbad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069930
StatusPUBLIC

Content hashes

Canonical textfc1ed7d0d5077fbe8ecd20145dbfd96ff0f7d2785f28d58a3f91f2bfd6fdcdc4
Markdown079f934c8f15c52758c132a973ee29ea16b41706f5afa1efcc10f8c249d85661
PDF
Publication page5b9a990dd109829e8c1d74c7fc67ea3df5ef8a49df2905b9f95df1f26976db5a
Manifesta96e3323374be7b4581c3a5c635bc894ecc36577a332dc8a75fff42207a96b37

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
SignatureqfpGXHHelT9hhLPpDXWpmWdZxSdmO1coMR15lvWUsRiBPcw0udKkrYVR3y82IyAx6NsZ+6S7accxUoi0E650DQ==
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

2026-09-17T10:26:29.365258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069930
observed 5b9a990dd109829e8c1d74c7fc67ea3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.345926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069930/manifest.json
observed a96e3323374be7b4581c3a5c635bc894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.317408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069930/publication.md
observed 079f934c8f15c52758c132a973ee29ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.270456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069930/publication.txt
observed fc1ed7d0d5077fbe8ecd20145dbfd96f...
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.