OpenTechnical

OT-2026-000071468

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-2026-000071468) never changes.

Identity and time

Publication numberOT-2026-000071468 · never reused
Internal UUID01a0ae91-e0ed-7a5b-9323-f77d321a3217 · 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-2026-000071468
StatusPUBLIC

Content hashes

Canonical text7fa23a5a18dd2dac6ba8c0765376b5aa4a63f80e650f81f88908d55d59560b7e
Markdown4388bcec1317feea04477345666df60a2db536332204ed4cc7fbda1f3193beb5
PDF
Publication pageeeb75e9d4efd7df3ff993efac1bc26d40accdfe03265a5d79ff9604eb1f07dcb
Manifest426c7d708dba01e82ac6f68c81c27c92f9b82fda1453529c11fe52749f55b563

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
SignaturemIXketCKtjAxF07E1PKvhyri/hH1hehBuTSoz9KUwzdJMNyLqrR9PNN+gGhhEGWMOGvXxicQ/mVJw+0Rk8TqBA==
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

2026-09-17T10:25:06.555016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071468
observed eeb75e9d4efd7df3ff993efac1bc26d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.536335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071468/manifest.json
observed 426c7d708dba01e82ac6f68c81c27c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.517085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071468/publication.md
observed 4388bcec1317feea04477345666df60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.499566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071468/publication.txt
observed 7fa23a5a18dd2dac6ba8c0765376b5aa...
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.