OpenTechnical

OT-2026-000075376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075376) never changes.

Identity and time

Publication numberOT-2026-000075376 · never reused
Internal UUID01a0ae93-f201-705a-a786-b40f55f5bea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075376
StatusPUBLIC

Content hashes

Canonical textcccfdd45f4133a70df4952d9bbabe3ea0f9b6038b22611c6bfe55ef31758bc68
Markdown942e74d27cf136bc34136cf0e79722cc099839c85438fde92fe30dfe16ae1fdf
PDF
Publication pagece46382f68410aa397f3789e0df2fe18e0fee339f8e89217bc5c9aaa6d7333d8
Manifest94cc87f598dc9df738462ddf86a272a1b0be8a1b4411f13fb98e3e058b25f601

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
SignatureB+fr7avTEisbBVaJfn4ObzxemL1NAJ+4xoctwwkIEJHGhibE6NTv//gsMsxzEvNXu5dueKyLA9kEph9ZsbP+Ag==
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

2026-09-17T10:17:24.269770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075376
observed ce46382f68410aa397f3789e0df2fe18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.252430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075376/manifest.json
observed 94cc87f598dc9df738462ddf86a272a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.233880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075376/publication.md
observed 942e74d27cf136bc34136cf0e79722cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.216862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075376/publication.txt
observed cccfdd45f4133a70df4952d9bbabe3ea...
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.