OpenTechnical

OT-2026-000061893

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000061893) never changes.

Identity and time

Publication numberOT-2026-000061893 · never reused
Internal UUID01a0ae8b-b8ad-77f5-96ab-a80e6ce3d0be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061893
StatusPUBLIC

Content hashes

Canonical text0a8b3b40bb82101b288cd240d4c8ad69dd71a6330460172882e7cfcb53794ed1
Markdown4034c85c4f48cc2dd9258593fda6b8cff781074a20c3856488202878071db837
PDF
Publication pagef1faaa028be61b55dcf149d23b623b3ed82a96b13f565cbd472e6275d5ce2163
Manifestc88bf81b8c231082a990ed29072e976b68764c1ca3b4c1425f89cdabc6deaf46

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
Signaturek69WdpL+tbTORRWsRQImoPWxreL5/roXH3QPQF4SPtIs8KNbAelGuU13TuCVJY4yEOfqxuHEmEA3xXAeDPuqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:45.894482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061893
observed f1faaa028be61b55dcf149d23b623b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.873295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061893/manifest.json
observed c88bf81b8c231082a990ed29072e976b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.852577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061893/publication.md
observed 4034c85c4f48cc2dd9258593fda6b8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.832470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061893/publication.txt
observed 0a8b3b40bb82101b288cd240d4c8ad69...
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.