OpenTechnical

OT-2026-000033249

Publication integrity record

Single 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-2026-000033249) never changes.

Identity and time

Publication numberOT-2026-000033249 · never reused
Internal UUID01a0ae75-4845-7ec4-8d84-7614cee5c70e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033249
StatusPUBLIC

Content hashes

Canonical text0bc219e60e34f020277251f82ec1f4296d9e3f1d08051910e4d4392a6643c360
Markdownc1aa691932fe92694fc871ec0b6458855f8ae0a26beadbee19a2b272ab3b3bb2
PDF
Publication page7076470a2020ea5a98cecdf6f71629e50f71b185548f1ea3747c83ca69fb9964
Manifest141d0d277dc4c0952685d742f7782bbf51577112b9f99430c9b09e7baa143c18

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
SignatureKqFBJISSXQvRqFw+XMJzBebLJUgf9BuNqY+Pfy5tNgVPNQfzNuKO54Sc6HVvP2c6kqu5AFm5M45pjgqkMgU+Dw==
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

2026-09-17T11:32:57.581951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033249
observed 7076470a2020ea5a98cecdf6f71629e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.565214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033249/manifest.json
observed 141d0d277dc4c0952685d742f7782bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.548038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033249/publication.md
observed c1aa691932fe92694fc871ec0b645885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.528563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033249/publication.txt
observed 0bc219e60e34f020277251f82ec1f429...
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.