OpenTechnical

OT-2026-000032950

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032950) never changes.

Identity and time

Publication numberOT-2026-000032950 · never reused
Internal UUID01a0ae75-4843-7f45-818e-cee7614ec9b2 · 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-2026-000032950
StatusPUBLIC

Content hashes

Canonical textd8c53312d1376dd4df5e089b60e5f886718da5357ded32dd5f25c3704ec5a35e
Markdown8caafa41dba3db2529c73ec10fe53416a34d07c919f85478141ab054109b968a
PDF
Publication page828bf6de3f14c1ebfd050d2352c9cda6240d6a0286945cf186a2adfe0536fc5a
Manifest10fa5c6425e5fa472d11ac975a888e8dc45719023cd76783a3f459d8bae0791c

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
SignaturepcYdMxPydd7uBJaTMMrdjQgmim39DmG0t/S8UcMggarb7GqQYjoLeGCKwhkxsXDCwuUlOr++ZJ6w4n6b8g0eDw==
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

2026-09-17T11:32:33.240921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032950
observed 828bf6de3f14c1ebfd050d2352c9cda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.221640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032950/manifest.json
observed 10fa5c6425e5fa472d11ac975a888e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.198126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032950/publication.md
observed 8caafa41dba3db2529c73ec10fe53416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.179783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032950/publication.txt
observed d8c53312d1376dd4df5e089b60e5f886...
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.