OpenTechnical

OT-2026-000075646

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000075646) never changes.

Identity and time

Publication numberOT-2026-000075646 · never reused
Internal UUID01a0ae94-29fd-7407-a6f2-c3b076d93393 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075646
StatusPUBLIC

Content hashes

Canonical text89fc52dd67b60c91fffbc3f8641d1aff1719f0cf51c1109126fb602502e62dec
Markdown50d009723e2867a0c33c5571ffc406b638ae787db6fdc1ad9e8c86a11f1868ba
PDF
Publication page00706dede9246c00cf89167c1f65c1cd87b076b4d2a820470cf90f9feda78fe5
Manifest763d4281c9a142a1ed1d6f33fe8708d12cf7ba8be94263790ef5af381fe67fb2

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
SignatureeTLjP/ZxKD1SPSKjL18rS5HLdxd7kJBiVv3DpEhC8vmNEUyv5fAc1IalhD1TRMfWN/YksuyqONk2gugunfqVAA==
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

2026-09-17T10:13:40.021446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075646
observed 00706dede9246c00cf89167c1f65c1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:39.994577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075646/manifest.json
observed 763d4281c9a142a1ed1d6f33fe8708d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:39.959408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075646/publication.md
observed 50d009723e2867a0c33c5571ffc406b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:39.793162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075646/publication.txt
observed 89fc52dd67b60c91fffbc3f8641d1aff...
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.