OpenTechnical

OT-2026-000042482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000042482) never changes.

Identity and time

Publication numberOT-2026-000042482 · never reused
Internal UUID01a0ae7a-c0cc-700d-bcd7-7ae12c73908a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042482
StatusPUBLIC

Content hashes

Canonical textb8f47415b57945bbf7abd169576b9c6877c058c9219a87f330e36c3cd1f900a8
Markdown859160b606cfd1a8284e7392c2329ae69a459c1b8ee3376b1bd1747e6b32a050
PDF
Publication page24a9d4468eef32d8e14126104bdac83ac8acc51fdc315f4b6290a5dc1be2bc5e
Manifest08dd155315192ede50cc9fed918c3ffdab01c8a5f45a1d51d84c4a34f16e8d3a

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
Signaturegqy0IYlVDBAOtF5aWh0fRTkjCYpyB2uVw3xyJCznWRBCdRMFzWVMifA4Ae3/+1TZy+z4iZS48kIL0rTFeReSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:03.121520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042482
observed 24a9d4468eef32d8e14126104bdac83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.102415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042482/manifest.json
observed 08dd155315192ede50cc9fed918c3ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.082798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042482/publication.md
observed 859160b606cfd1a8284e7392c2329ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.060748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042482/publication.txt
observed b8f47415b57945bbf7abd169576b9c68...
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.