OpenTechnical

OT-2026-000072178

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented before 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-2026-000072178) never changes.

Identity and time

Publication numberOT-2026-000072178 · never reused
Internal UUID01a0ae92-47c2-7652-b998-59363ee4f503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072178
StatusPUBLIC

Content hashes

Canonical text4a220c349e4b8313bf43d04dda0df94890a5a0eddfa66a01fa796087cfc7f2c2
Markdown6f24ae5fcd9386697dac165fc18ba616bf2230cf0d995ad74fd76374f78bbd6a
PDF
Publication pageb0a36fc4b29d5064bbdc84801b53739f1b1bfe1610e43d6a71d4a88d4e83b6d6
Manifestfd8624466aa61ebbe0dfd1470a7f62d044de9fb2cd3517d88e28a2fc080536d8

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
SignaturefGtJzm5NKVvacPgqrQ/YTdxGRdGyxkMs6Wi4sAr90UkGuhcsNwvhb0GKf460HQg1hT08br636V+GKbWC0kXCAw==
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

2026-09-17T10:23:16.563101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072178
observed b0a36fc4b29d5064bbdc84801b53739f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.546543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072178/manifest.json
observed fd8624466aa61ebbe0dfd1470a7f62d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.530142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072178/publication.md
observed 6f24ae5fcd9386697dac165fc18ba616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.512680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072178/publication.txt
observed 4a220c349e4b8313bf43d04dda0df948...
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.