OpenTechnical

OT-2026-000010315

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000010315) never changes.

Identity and time

Publication numberOT-2026-000010315 · never reused
Internal UUID01a0ae6c-0ee5-7df9-a8d5-aec586ad1df2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010315
StatusPUBLIC

Content hashes

Canonical text446ef8be417f45a81d9b95922677d32123f3826f8dcc67efc5f144108d53bfe5
Markdown9fd2d0dba0cbc8ff6d8106471dc63a5c70f783832a7a4cce89f94ac8e4c976fa
PDF
Publication page290607ab28b7c29536f55409b87e8865bafbd6af67ff0bdb4fd6e6bd8444babb
Manifest235496865fd841234e2ac0dbc815b65186212bbd8c083e21489ca362aabe0d06

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
Signaturef5S/hnoeDXs5g6YEfU+S864DABMMlyS1nQCz+HxeHA3v1FZWSgRYTQLgPHNgi0/vwfrOrai31IKfNaOD1X1UAg==
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

2026-09-17T12:14:19.751243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010315
observed 290607ab28b7c29536f55409b87e8865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:19.730814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010315/manifest.json
observed 235496865fd841234e2ac0dbc815b651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:19.711234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010315/publication.md
observed 9fd2d0dba0cbc8ff6d8106471dc63a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:19.690303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010315/publication.txt
observed 446ef8be417f45a81d9b95922677d321...
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.