OpenTechnical

OT-2026-000050067

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050067) never changes.

Identity and time

Publication numberOT-2026-000050067 · never reused
Internal UUID01a0ae81-fd78-7aa3-bb8a-24024721b476 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050067
StatusPUBLIC

Content hashes

Canonical text66ed4104e8267bc193b7f9d025937231c74361b6b170d1db0de7c3d59ee03cb0
Markdownc9252f501d210076b11568257da9819e7ffb2288357bea0d4235b921706d95c7
PDF
Publication page692bab829b8c7adb047ada0fa5d9bc7dcbfd847d764330553aaf4dadb2a9ab77
Manifest7a5904d693c2be440b5ecb094c02b7513d665644e6dd05af69e5a827e768f874

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
SignatureFixFtD655kvBJHYjSfage6p2iUp4KMlBneisLyqL4UuwBhTp+T8kZaBZC0RoNZpwQ66AbO+aw+ZdafC2M+YsAg==
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

2026-09-17T11:02:03.149653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050067
observed 692bab829b8c7adb047ada0fa5d9bc7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.133201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050067/manifest.json
observed 7a5904d693c2be440b5ecb094c02b751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.114750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050067/publication.md
observed c9252f501d210076b11568257da9819e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.095889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050067/publication.txt
observed 66ed4104e8267bc193b7f9d025937231...
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.