OpenTechnical

OT-2026-000041529

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000041529) never changes.

Identity and time

Publication numberOT-2026-000041529 · never reused
Internal UUID01a0ae79-e89f-7ddb-a3cc-75368b663a6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041529
StatusPUBLIC

Content hashes

Canonical texta80c0a4f27d8c7e062d222f9f0921becaa26b720edd695e1a82913252c85da2f
Markdownaa7004426f48ae55b80610d3514fab5362a30583c56d524a8a39234dfab47e40
PDF
Publication page9813696354e3a2c0d351b07ea362057e20c3b7245212f67646847e7fb68edc6b
Manifest27259b00069674a73a38d72bf47bb805e762d12f0b54eb7790092b8e25fd9841

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
SignaturefaBUuF/vehZemyHI/Su8T55UpQeMd2w1TtxHBJ+uDh6IQi10UQPHogu+mGoYSLd4woYzldW1vBi+syBLmEtKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:18.130400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041529
observed 9813696354e3a2c0d351b07ea362057e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.111616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041529/manifest.json
observed 27259b00069674a73a38d72bf47bb805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.094419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041529/publication.md
observed aa7004426f48ae55b80610d3514fab53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.074997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041529/publication.txt
observed a80c0a4f27d8c7e062d222f9f0921bec...
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.