OpenTechnical

OT-2026-000095205

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000095205) never changes.

Identity and time

Publication numberOT-2026-000095205 · never reused
Internal UUID01a0ae9f-8f70-7476-be46-c32d38eabccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095205
StatusPUBLIC

Content hashes

Canonical textdb038aac1ccaeda57b1ef9e07388c34e88551fff219df096091e6fe535edf9d0
Markdown2707db495073532b1e639906dd61b7ea437888b94cfe9120dedcadad5f82789e
PDF
Publication page36ccd17877f88497e3f1f0e108fea3aa1113a04fa5b3ccb3014f591390404a32
Manifest54da33739894e917dea3ad035f3d83263c51f7cd30cabee1143adde5fcb6d87c

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
SignatureG5lv7iXPQ/U0K8MjoIbKjxPJsOOLN5JlxCR/mZ0HXMDQZwVQTamb4fHbWIor+5nX66gXI0Lpv3iuNXpM8BZpBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:31.334211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095205
observed 36ccd17877f88497e3f1f0e108fea3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.315711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095205/manifest.json
observed 54da33739894e917dea3ad035f3d8326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.298728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095205/publication.md
observed 2707db495073532b1e639906dd61b7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.280881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095205/publication.txt
observed db038aac1ccaeda57b1ef9e07388c34e...
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.