OpenTechnical

OT-2026-000068987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068987) never changes.

Identity and time

Publication numberOT-2026-000068987 · never reused
Internal UUID01a0ae90-6dcd-7fa9-a3a3-f90468fb342f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068987
StatusPUBLIC

Content hashes

Canonical textee00597e5d8b589f9a7a7afce163c35dd2b6f4fa562238f32ddf9ff6e622dfaf
Markdown6f7e4abf336347da4402a81c9c969447c9c1ee37abfefc130f679382b290c331
PDF
Publication pagea5dd6eeab88ab80b392573b1804259b607789637ba66fbe7efad24ef719d8bfe
Manifest202cbfa9bbade86f45bc5dd6d58fb221a694a14200661247629bfcba00f9cdd0

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
SignatureET5wWOso01u0cupcGipK4/LLeCxGfYJYNcn6xW5fD3R9NA47+XjsG3VVRCmLdVuFfbq6MwgJZnIBTKNOxcdRAw==
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

2026-09-17T10:28:49.763024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068987
observed a5dd6eeab88ab80b392573b1804259b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.746093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068987/manifest.json
observed 202cbfa9bbade86f45bc5dd6d58fb221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.728335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068987/publication.md
observed 6f7e4abf336347da4402a81c9c969447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.711688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068987/publication.txt
observed ee00597e5d8b589f9a7a7afce163c35d...
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.