OpenTechnical

OT-2026-000010709

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000010709) never changes.

Identity and time

Publication numberOT-2026-000010709 · never reused
Internal UUID01a0ae6c-0ee8-7a6e-8f9a-cfeb1db608cb · 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-2026-000010709
StatusPUBLIC

Content hashes

Canonical textae8f0414e179f224d5911ec42cec745acf1070228aa5fb899759d76a5dca5fea
Markdown404200a3566894901876d3c81557de4915e58a9b71cfa6111434cac24408e999
PDF
Publication page6d1f0a9acb76cf2270298da24bcf382dd922d3ace39607083929f3e8e0a90451
Manifestbfd51af1ec1f3d25b9f9403104bf11f209b866c27255d110aabd40aaf1e9164e

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
SignaturehiZ8n2RBlghaVEELW3bgaAflN7RIz1kPysp72fw7i3/yRr4Wz2gfxbgexiqIc0LFnXIBvYwe+j9njtP98gPmCg==
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

2026-09-17T12:14:55.776876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010709
observed 6d1f0a9acb76cf2270298da24bcf382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.759633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010709/manifest.json
observed bfd51af1ec1f3d25b9f9403104bf11f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.742248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010709/publication.md
observed 404200a3566894901876d3c81557de49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.725288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010709/publication.txt
observed ae8f0414e179f224d5911ec42cec745a...
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.