OpenTechnical

OT-2026-000034864

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000034864) never changes.

Identity and time

Publication numberOT-2026-000034864 · never reused
Internal UUID01a0ae76-1ed3-7e4d-b6ce-3788d8046e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034864
StatusPUBLIC

Content hashes

Canonical textbf54b78e72a3a6f6cd85c22b08573f31f45b8591eda302279e7c695814c881cf
Markdowne5240fe35e3af2cfb80f574257eb9244432ca368f6a6352931dc2fa9e6b44657
PDF
Publication pagec91e09917e118f9f0343a513ed8c620b9d3511c3c30f5313381815c4fb4b301a
Manifestfad8128418096ad2542fe76112a0f4c5d5342cd49eb8cd1f9bd4dd2b9296e578

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
SignaturelBTTuYQIi1b7XqqvakKB+3APMLrilBcgXCqJW3jqWYpf+73rDptYxbs7Mv54TIGVzG6pj7HJWJ//1+GduGrzDQ==
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

2026-09-17T11:30:30.904248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864
observed c91e09917e118f9f0343a513ed8c620b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.886866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864/manifest.json
observed fad8128418096ad2542fe76112a0f4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.866737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864/publication.md
observed e5240fe35e3af2cfb80f574257eb9244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.840574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864/publication.txt
observed bf54b78e72a3a6f6cd85c22b08573f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.780670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864
observed c91e09917e118f9f0343a513ed8c620b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.763935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864/manifest.json
observed fad8128418096ad2542fe76112a0f4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.748410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864/publication.md
observed e5240fe35e3af2cfb80f574257eb9244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.731883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034864/publication.txt
observed bf54b78e72a3a6f6cd85c22b08573f31...
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.