OpenTechnical

OT-2026-000033144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000033144) never changes.

Identity and time

Publication numberOT-2026-000033144 · never reused
Internal UUID01a0ae75-4844-74b4-9ee6-4d9d0618c0c0 · 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-2026-000033144
StatusPUBLIC

Content hashes

Canonical text586c17b8af6d7de61776d26ef8262316a51a9a7a4f27cdc8ca463f2094dbf82d
Markdownd5e1ca68a25cc3ab1b50a1713bb244876d28ea42ffc683aa5c1cde9164959004
PDF
Publication page2b9e5944425424bade23ce2fab2ee9a7c4d62c2e005a6d5c8f6721d44e5afe6e
Manifest2b5b68d03aa41bf58f8a49d32bbd10445111d444500d5f71391d70ef5c7267f0

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
SignatureVOB9kKRA5Q62A5ITVF02YMyTn/rKPTu9eriVR2gz8131A27eKamNQsZyA31DXgulzEdW8mixxDH3lCOaU6N6Ag==
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

2026-09-17T11:32:49.728367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033144
observed 2b9e5944425424bade23ce2fab2ee9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.709888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033144/manifest.json
observed 2b5b68d03aa41bf58f8a49d32bbd1044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.692269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033144/publication.md
observed d5e1ca68a25cc3ab1b50a1713bb24487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.673491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033144/publication.txt
observed 586c17b8af6d7de61776d26ef8262316...
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.