OpenTechnical

OT-2026-000068690

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

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-2026-000068690) never changes.

Identity and time

Publication numberOT-2026-000068690 · never reused
Internal UUID01a0ae90-2483-7c07-9664-f1339a4af6f6 · 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-2026-000068690
StatusPUBLIC

Content hashes

Canonical text256e65c1f553c0c851accf97177cbda9070e5faa5dc32bedde826a567354c16a
Markdown1dea5bf4b3b71b0c0bef9bb1b421d950bb93c7839a68dcee9e52bae833c26c1a
PDF
Publication pagea4b87d31926a5ca394d66de952dcb7e2971f6ef3b626314998d4a490ad2b0d9f
Manifest3f374f0d48eb107db456c5641865fafe9237ee5c89ce6af1969403f66b0b5a23

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
Signaturer5IPHJVeAFfBzBZzP3/L2m35ir6dcQtlFw6lVC9GzrPJIc9XIkOJ162mkIRWIN8OvJMI1LNy1pB+o/yheCoaBQ==
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

2026-09-17T10:29:53.803140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068690
observed a4b87d31926a5ca394d66de952dcb7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.784286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068690/manifest.json
observed 3f374f0d48eb107db456c5641865fafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.765430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068690/publication.md
observed 1dea5bf4b3b71b0c0bef9bb1b421d950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.739798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068690/publication.txt
observed 256e65c1f553c0c851accf97177cbda9...
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.