OpenTechnical

OT-2026-000068687

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000068687) never changes.

Identity and time

Publication numberOT-2026-000068687 · never reused
Internal UUID01a0ae90-2483-751e-85a6-723041c601e7 · 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-2026-000068687
StatusPUBLIC

Content hashes

Canonical text408856fda93ed96d91784bd576cb898d41dc3c8516c2516b6367d2754ed3a2b7
Markdown7b065ae41ecb656e3cc9ccb937564ebfb5e09954a00e4fe24ed23591bcbfc1df
PDF
Publication page527a44f5570e245ac9693b510313447a6e10031bcf988a5cca07b99fe2ce4342
Manifest7a93fc6df6eb85aeab5235424abda2f004df6bc1df8d281db194165377e88183

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
SignatureRlUcCy5BMbP0YmIQ341JJMf7w9AuFEKRJgtyYxtmaWhK0RbQNJQRUQ2dtJuV9zfvCDRy0CnrpS3eyFhQDtmFCg==
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

2026-09-17T10:29:53.499999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068687
observed 527a44f5570e245ac9693b510313447a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.482216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068687/manifest.json
observed 7a93fc6df6eb85aeab5235424abda2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.464127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068687/publication.md
observed 7b065ae41ecb656e3cc9ccb937564ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.445303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068687/publication.txt
observed 408856fda93ed96d91784bd576cb898d...
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.