OpenTechnical

OT-2026-000064467

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000064467) never changes.

Identity and time

Publication numberOT-2026-000064467 · never reused
Internal UUID01a0ae8d-a461-79f1-bc7c-1679287e4fe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064467
StatusPUBLIC

Content hashes

Canonical text4883018009a921de2c42053f6a95531b25b0f97f736d2ba46217391d6f4dfbf5
Markdownbf20e7f1c5eb7a099d608746622bc67854cb2b4070ee8f26f1a0d4fb7e455392
PDF
Publication pageb81d00b3fe0d1d5c1caf652ddad5016027a2b011aabd27ae5bd9671353e1898d
Manifest9e309dd6703c6cad49686aa51d19ba995fd782e0e1943bc9a12e21cca5de02b4

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
Signature9Mm1oWnmM+SEfYGNUHmNa0HFfSQ4tcxjCIYVl4BekTdDKAJ+dfgn/hqKf7QTUlRfgrh50PkeZgHI7t5QOx7uBg==
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

2026-09-17T10:36:39.519298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064467
observed b81d00b3fe0d1d5c1caf652ddad50160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.502906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064467/manifest.json
observed 9e309dd6703c6cad49686aa51d19ba99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.485445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064467/publication.md
observed bf20e7f1c5eb7a099d608746622bc678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.468204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064467/publication.txt
observed 4883018009a921de2c42053f6a95531b...
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.