OpenTechnical

OT-2026-000093815

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000093815) never changes.

Identity and time

Publication numberOT-2026-000093815 · never reused
Internal UUID01a0ae9e-508c-78d9-ad1a-7241a6b13912 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093815
StatusPUBLIC

Content hashes

Canonical text93b036b75fc0c1eb102d857b1dea8da85d914f2ff28f888970ee003bd4031393
Markdownf6475fa7692f961b909e681860d4937bcbd5a45b05c71d134bf3e071ac94b315
PDF
Publication pagea4a618f4092b1a462d6db565a731abc337caff7e7d2fcb36882b80f27030ce79
Manifest04858c45ce95ae0b096eeefb4f00a8a6a8b1242a1e57b64a1bb0f811c6f9cb41

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
Signaturemp8S7XdAkc216BirTJxdmFQcvXzdtpRX+4EqfCt3Sn8SvYODr0GeUPNcr9TWXYzqXxptblUBuiIk8BAvgtoaDQ==
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

2026-09-17T09:39:55.502096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093815
observed a4a618f4092b1a462d6db565a731abc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.485441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093815/manifest.json
observed 04858c45ce95ae0b096eeefb4f00a8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.468844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093815/publication.md
observed f6475fa7692f961b909e681860d4937b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.452153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093815/publication.txt
observed 93b036b75fc0c1eb102d857b1dea8da8...
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.