OpenTechnical

OT-2026-000064972

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000064972) never changes.

Identity and time

Publication numberOT-2026-000064972 · never reused
Internal UUID01a0ae8d-debe-7dbc-acbd-60055a16de34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064972
StatusPUBLIC

Content hashes

Canonical text8ca37d40aa9eedab2841cdd20f1d1d82ff43afc7ad23b8d148b7928acfc54ddf
Markdowncef105341ee26b6d8c9938c1077b071487311ccad282fff221ab48a187d1545a
PDF
Publication pageca96b314aad4e03110a6dbb1d2981529798e0cea51f6befb7310a2687e66acbb
Manifest46c0ba66998e4379530b4e048a4d48ef1a94db0b46324ad3cdf923bff2524d2e

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
Signaturechm5WUogS8SXOM5sduoynzjUv3ETmwG5UGSAVY/LCSSbbfPhEQY/vJNZIP9INHme4U9S0A1egDFOYJ6sqv/HDw==
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

2026-09-17T12:42:03.947741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972
observed ca96b314aad4e03110a6dbb1d2981529...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:03.593889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972/manifest.json
observed 46c0ba66998e4379530b4e048a4d48ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:03.347874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972/publication.md
observed cef105341ee26b6d8c9938c1077b0714...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:03.065972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972/publication.txt
observed 8ca37d40aa9eedab2841cdd20f1d1d82...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.094170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972
observed ca96b314aad4e03110a6dbb1d2981529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.076762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972/manifest.json
observed 46c0ba66998e4379530b4e048a4d48ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.059646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972/publication.md
observed cef105341ee26b6d8c9938c1077b0714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.042765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064972/publication.txt
observed 8ca37d40aa9eedab2841cdd20f1d1d82...
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.