OT-2026-000057684
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000057684) never changes.
Identity and time
| Publication number | OT-2026-000057684 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-78d8-9ef3-e906f8bc8787 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057684 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfdff34303d0f52a3f14632a19908631c338b3f745a655160bfebb87fa8d5d49 |
|---|---|
| Markdown | b6d72476b206541f08db269f74b1b2732ecb33788ec9211a9e5ac414aa97d33e |
| Publication page | bd043ba23b6bcf2007159c7eab0429affc8a05dd22895d0a03f9a6b4a3e0a286 |
| Manifest | 2be6f50b78d508732db16614c6477053146fc0c7835aac540662a760746ba380 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | +W0ngzG2df8oYRVfP/9TS4Cu6L0bc6jbhr/E0ofJdgbMoqtLJ5cis6v3mJp1v9hSt/eMSWEa7MJYv/b4rMDBAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:20.630219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057684observed bd043ba23b6bcf2007159c7eab0429af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:20.609704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057684/manifest.jsonobserved 2be6f50b78d508732db16614c6477053...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:20.590562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057684/publication.mdobserved b6d72476b206541f08db269f74b1b273...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:20.571423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057684/publication.txtobserved bfdff34303d0f52a3f14632a19908631...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|