OpenTechnical

OT-2026-000069540

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069540) never changes.

Identity and time

Publication numberOT-2026-000069540 · never reused
Internal UUID01a0ae90-b52b-729b-a8c4-7d9df3137063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069540
StatusPUBLIC

Content hashes

Canonical text3dc7b05410a19f1fda753e0eda78b5b4253382aaa65ba4cfae188d73847839ef
Markdown75aa1cefb2672ec870b97d29a217aa5b0ab91247f6827b945b3285cc1e196db0
PDF
Publication page611f69662e5d558f450109970640268e239cc0f0a2ea15745f4710e0d20a7465
Manifest394fb868b45ae9fbec866e5db71d8350a97e9b5badadd27c49d25e591c1a1cf3

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
SignaturebDmAIvprXlCRxIc1Iz+0nls+rtX2MbQ5Aeq5IbWeYAiXVRMixFo4dvUh9im7BEvwB8ENwNX+DXMSo1rCCk6QBw==
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

2026-09-17T10:30:32.148444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540
observed 611f69662e5d558f450109970640268e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.131402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540/manifest.json
observed 394fb868b45ae9fbec866e5db71d8350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.110506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540/publication.md
observed 75aa1cefb2672ec870b97d29a217aa5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.090936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540/publication.txt
observed 3dc7b05410a19f1fda753e0eda78b5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.920106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540
observed 611f69662e5d558f450109970640268e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.902084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540/manifest.json
observed 394fb868b45ae9fbec866e5db71d8350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.885681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540/publication.md
observed 75aa1cefb2672ec870b97d29a217aa5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.866888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069540/publication.txt
observed 3dc7b05410a19f1fda753e0eda78b5b4...
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.