OpenTechnical

OT-2026-000067457

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067457) never changes.

Identity and time

Publication numberOT-2026-000067457 · never reused
Internal UUID01a0ae8f-6bd9-7734-b6c0-f082c2282547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067457
StatusPUBLIC

Content hashes

Canonical text05a035a61e91545732c1ac26e7b0528d9b2704b45033312a01c936e17855224d
Markdownd4217fd7ea5f61ee252fa07c50b4659ff103f400a80235b0da4eced576c0c717
PDF
Publication pagefad5befe43ab2a0aff122b90bd6d2b8aa1294f4eeb53f0a9ca1ff9917aaad7e0
Manifest8c29ef2a6b87b0c578437cc1131b80f7c855f3c9b11d17a464fe54f810d07191

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
SignatureKlhdJlQOUIHbqhuENxwDT3252yp2uOqOiw9zGGlxHeXjYf81PhLnXuDf54UqV/eSzYxiJx+A3nCMUnnlDvd1Cg==
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

2026-09-17T10:31:39.804068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067457
observed fad5befe43ab2a0aff122b90bd6d2b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.788167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067457/manifest.json
observed 8c29ef2a6b87b0c578437cc1131b80f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.771427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067457/publication.md
observed d4217fd7ea5f61ee252fa07c50b4659f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.752827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067457/publication.txt
observed 05a035a61e91545732c1ac26e7b0528d...
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.