OpenTechnical

OT-2026-000075869

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000075869) never changes.

Identity and time

Publication numberOT-2026-000075869 · never reused
Internal UUID01a0ae94-29ff-7da3-8cf3-001923f1347d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075869
StatusPUBLIC

Content hashes

Canonical text663940fc87686de9c8924566895c590ce41e29d2ac63a0f22488af1e4e42b17c
Markdownd24dc60fa36438b8e1c5e284608dfcea27746860bb5588012652b24acde0ae78
PDF
Publication page0b8ea945504510a10c275e684a90ae0cf64fca232305604b2802f90a2b1c60ef
Manifeste10f22c6818c3b5e58a50d7f279733f33c5d9e3a08863de3ece95c53b25f66d5

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
SignaturecU5+VI0L3mYMoHHnYEeOMYSqqddQbsKu8/QMaghkFw5+XW0kXTZufUD0OvHPIEsTDGL/jkyc/WlpmIOVqXERDw==
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

2026-09-17T10:14:37.447207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075869
observed 0b8ea945504510a10c275e684a90ae0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.306535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075869/manifest.json
observed e10f22c6818c3b5e58a50d7f279733f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.288419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075869/publication.md
observed d24dc60fa36438b8e1c5e284608dfcea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.269999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075869/publication.txt
observed 663940fc87686de9c8924566895c590c...
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.