OpenTechnical

OT-2026-000072008

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000072008) never changes.

Identity and time

Publication numberOT-2026-000072008 · never reused
Internal UUID01a0ae92-47c0-782a-98d3-df3687155b56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072008
StatusPUBLIC

Content hashes

Canonical textce51b210e0c15a77aa1e4f43a9cff07cdda01a0decea715cb28719298d1359f9
Markdown8fd91423e8ebd93aa11d24088610c4d8dcfe10c90951e029a3a5c0bec2b68bf5
PDF
Publication pagebe23546807d23852af6278e7ac9a4f4cda616ffba9132fccf02eed218add9e24
Manifest486271afe7dc0fe36abec00ae32478e27d6c1ab8c22f6bd0735408736fb687f3

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
SignaturekO79QjXJ8+ByFmmGanKyv9xM4d06xlCLGV3pQJ2fTGyIXN531BkiDWcx6D5KrYVGkQqgcv7BN1yQH1x3+UGPBQ==
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

2026-09-17T10:23:04.205450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072008
observed be23546807d23852af6278e7ac9a4f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.187697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072008/manifest.json
observed 486271afe7dc0fe36abec00ae32478e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.170729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072008/publication.md
observed 8fd91423e8ebd93aa11d24088610c4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.155503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072008/publication.txt
observed ce51b210e0c15a77aa1e4f43a9cff07c...
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.