OpenTechnical

OT-2026-000057760

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000057760) never changes.

Identity and time

Publication numberOT-2026-000057760 · never reused
Internal UUID01a0ae88-6ed7-7315-84c4-dbacd5f3e1e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057760
StatusPUBLIC

Content hashes

Canonical texte82288021162c69610b26b898e9ae4f663b974c6ac74d515635b6cc9d0b9a090
Markdowne6b5516a34ae65d60c9601dc6fc0d96bdd0f5eac0af0070193ff8768e0b85f7e
PDF
Publication page9e2f9838ab5953e21d6f9b8767e64facdcfd4a600ae5b7f113e1107be2705e18
Manifest6b7099b5c604f6eb9c9807b30447ce26204eec417dbbfa8e639c33c8b8a43a5e

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
SignatureIV+F90E55OYuc/CNuUDch9BfO0c5LNG2CZesoS6zmsoVGICj1iUjrNt818aSQGLcTC/2xgg4qIQpT8TZSqbjBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:18.355919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057760
observed 9e2f9838ab5953e21d6f9b8767e64fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.337094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057760/manifest.json
observed 6b7099b5c604f6eb9c9807b30447ce26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.318885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057760/publication.md
observed e6b5516a34ae65d60c9601dc6fc0d96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.302142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057760/publication.txt
observed e82288021162c69610b26b898e9ae4f6...
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.