OpenTechnical

OT-2026-000068917

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000068917) never changes.

Identity and time

Publication numberOT-2026-000068917 · never reused
Internal UUID01a0ae90-6dcc-7ae1-b427-27bb284b673e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068917
StatusPUBLIC

Content hashes

Canonical text56356c144904703d310e2e46a7648437d540e4d395567add060b1993f22e095a
Markdown663abc52d1397fa5e439f06b946be5582a67486879494817f6c4a93a61f9326c
PDF
Publication page52eaa6e21e715fbec258891c960f8e41d77cd8c4f00627d51a0403a00cbb0969
Manifesta8a3680e64dab77060caebf165d2b76cf49436e1f4c511fc6c5eabd241e3aff5

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
Signature3Apq3VexFgECz2aCFa1EcCPIZZXnmoyYjQc7oxW9Mn42w1QlobBLWIQwebBH4QbFgiWwLMnuY46+r3EEsH+kAg==
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

2026-09-17T10:28:44.608432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068917
observed 52eaa6e21e715fbec258891c960f8e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.588788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068917/manifest.json
observed a8a3680e64dab77060caebf165d2b76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.572023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068917/publication.md
observed 663abc52d1397fa5e439f06b946be558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.555384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068917/publication.txt
observed 56356c144904703d310e2e46a7648437...
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.