OT-2026-000057704
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-2026-000057704) never changes.
Identity and time
| Publication number | OT-2026-000057704 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-78e9-b208-7b4300ab0222 · 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-2026-000057704 |
| Status | PUBLIC |
Content hashes
| Canonical text | df94a1876d0b1526b4fdf6f58ae1b2b039d71d1f55af2b2cf1003ebdc44a040f |
|---|---|
| Markdown | 7c321998513c7cfe1452f1f64fea5cc56ba498b671fb651cf24a314342e0baa6 |
| Publication page | 96b1472e9c5f441e1771a02a31091dfa2dee71b4f6dd4763af1bbd2663c79fc9 |
| Manifest | 7b536acd2d096221aa9fdc65348699690470410b024c3a45ace660d61000a395 |
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 | wTbo16aylV5FbyASe5fQDMc5hTb8vc39O2NL13arKhKukOc+zcv8N7pvouKmQdB4NqMn2NRAeHzhr3efeeUzBA== |
| 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
| 2026-09-17T10:48:22.224518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057704observed 96b1472e9c5f441e1771a02a31091dfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:22.206196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057704/manifest.jsonobserved 7b536acd2d096221aa9fdc6534869969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:22.187302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057704/publication.mdobserved 7c321998513c7cfe1452f1f64fea5cc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:22.168377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057704/publication.txtobserved df94a1876d0b1526b4fdf6f58ae1b2b0...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. |
|---|