OpenTechnical

OT-2026-000006026

Publication integrity record

Porous face vacuum gripper, common isolation valve, two outlet manifold, ejector fed, open cell

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-2026-000006026) never changes.

Identity and time

Publication numberOT-2026-000006026 · never reused
Internal UUID01a0a94c-b0d4-7d8f-8de7-cca8ac9167e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:30.647509Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006026
StatusPUBLIC

Content hashes

Canonical text68236f44e9afc2841fb989ddd3584d9e7136b826123b96f1d128ac74bf0506b1
Markdownc6c110a8f1507e9ce3cd01604431b76fe4cf55e5c4a833e1c148ba680dbd4468
PDF
Publication pageb9c99356a86658119dc102e90c0eea89ed92f0c4eb2c37c43af91f8ebf9cc2f8
Manifest96c33a4f097dad2101b436e4f6736100f1a90a63547f40aa26211f7dbf3a1e68

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
SignatureidSId+K9/7rBNu/NkbyXMBfRya1qYlyWkSi11JHyS7lCvJ8chuLcD1gyB75JafnteBi+Hvf8vvEvDcTUSwBJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:03.991232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006026
observed b9c99356a86658119dc102e90c0eea89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.978884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006026/manifest.json
observed 96c33a4f097dad2101b436e4f6736100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.963257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006026/publication.md
observed c6c110a8f1507e9ce3cd01604431b76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.947635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006026/publication.txt
observed 68236f44e9afc2841fb989ddd3584d9e...
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.