OpenTechnical

OT-2026-000090047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000090047) never changes.

Identity and time

Publication numberOT-2026-000090047 · never reused
Internal UUID01a0ae9c-428e-7362-a705-f9539ee1f4f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090047
StatusPUBLIC

Content hashes

Canonical texteb06c47d4723c243d5e942aa5af91d74243284410260445a2e1739152434e91e
Markdown9d43d7b6f488efc34f91d473a92078e9bac8e5ada20325466b14bc0dbbade388
PDF
Publication pageee5dfb967a1c0cade20ca1cff9b01184860d83f61aa89fbe6ef169ab802b87ea
Manifest9c325a7cbf3232de3cabde715fbd33e30d55090f2d55fefb164efc5792f150dc

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
SignaturepInbNEfhK4zWxzWWlLyzFFE0gN7f5502P2RfP7IQSRS+pwMF6w9kPIM/HOcxuEWpKBxUzaN0XVcNoFb5Rec0Cg==
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

2026-09-17T09:45:27.135844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090047
observed ee5dfb967a1c0cade20ca1cff9b01184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.119218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090047/manifest.json
observed 9c325a7cbf3232de3cabde715fbd33e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.102909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090047/publication.md
observed 9d43d7b6f488efc34f91d473a92078e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.086648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090047/publication.txt
observed eb06c47d4723c243d5e942aa5af91d74...
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.