OpenTechnical

OT-2026-000068487

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000068487) never changes.

Identity and time

Publication numberOT-2026-000068487 · never reused
Internal UUID01a0ae90-2481-7148-86f1-929585461946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068487
StatusPUBLIC

Content hashes

Canonical text57139cfbbdacd937692fc71c0798c7330cf44bf34bfd703222247f8b7e6a6c94
Markdownd68ed7003eabafe53d197e2355f170707e3e3b760e149389232de9db9c7e7d28
PDF
Publication pageb8c061852ea8103b4d23fa7fef6581f478f2081d4c78dbeac9205abde12971dc
Manifest5597e70df241a22c1d8f697ccf894362fc26f51f26ec611e0c0119033af393cb

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
SignaturefY0bhuBcLMPQ6wUGjmG98bkuqN/jBf0RKxqc+2ha4eFnMiJxCYDNidBW0uBNiTF7kqxjPlQlLCygnaes7OEiDw==
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

2026-09-17T10:29:38.512495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068487
observed b8c061852ea8103b4d23fa7fef6581f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.495542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068487/manifest.json
observed 5597e70df241a22c1d8f697ccf894362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.478609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068487/publication.md
observed d68ed7003eabafe53d197e2355f17070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.461927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068487/publication.txt
observed 57139cfbbdacd937692fc71c0798c733...
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.