OpenTechnical

OT-2026-000005184

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three stage ejector, contact triggered

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-2026-000005184) never changes.

Identity and time

Publication numberOT-2026-000005184 · never reused
Internal UUID01a0a930-93aa-7dfa-96dc-12944f8a42af · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:48.173646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005184
StatusPUBLIC

Content hashes

Canonical text1a5c38eabb5db47ddd2e08606ebf1564e6568896ba386ca35496980d3f7d087c
Markdownf57099f97265a950545695c08b1a1deffb15049dae4613c7ab54bc41dbd475eb
PDF
Publication page5e8cb1a88295fd54ce15d1a4a1b65efce5afd3950b4ab04f37626186ce50fc74
Manifest48f0cfab4a6d6f5102cead97a3dd333f7b7111d52b39880fb358fa222c8c8f2d

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
SignatureTPzGNqVCUHF/WTWop0/NHI1gqZ1uZ48MloBfFznSd77pnp3cgU9aHRm0A1YBeISSLA3WG+pz9aBDbxfHQa3ICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:06.201213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005184
observed 5e8cb1a88295fd54ce15d1a4a1b65efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.187297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005184/manifest.json
observed 48f0cfab4a6d6f5102cead97a3dd333f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.175293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005184/publication.md
observed f57099f97265a950545695c08b1a1def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.163975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005184/publication.txt
observed 1a5c38eabb5db47ddd2e08606ebf1564...
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.