OpenTechnical

OT-2026-000071606

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented before 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-2026-000071606) never changes.

Identity and time

Publication numberOT-2026-000071606 · never reused
Internal UUID01a0ae91-e0ee-7938-9e39-427f18a41e05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071606
StatusPUBLIC

Content hashes

Canonical text7f59e830641ddc0f190d964fb32947ce83ffed102c5850de21486884cc711550
Markdown7c2eaee78d78aaeadd363ff81aceb2166e0c34d756a0b17a3be7a423cac53b5a
PDF
Publication pagee065319a8b5df1929d8454c15a647753d345883a70e26865b645a528882f5912
Manifest799b7413f3f4c2b31457f26f1edeedc27a0e61ab21a97e2b602c913dc60b76d1

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
Signature7oL/1F47B/o9D4PzFAn5WmfG19MUWGcro94BlL0atZgUE2bYZPjMFspKFjTsU/u8ChuBXRhI8aOOKLVR76CNAg==
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

2026-09-17T10:24:42.680826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071606
observed e065319a8b5df1929d8454c15a647753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.662806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071606/manifest.json
observed 799b7413f3f4c2b31457f26f1edeedc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.645580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071606/publication.md
observed 7c2eaee78d78aaeadd363ff81aceb216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.627935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071606/publication.txt
observed 7f59e830641ddc0f190d964fb32947ce...
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.