OT-2026-000013476
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, pulsed 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-2026-000013476) never changes.
Identity and time
| Publication number | OT-2026-000013476 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fca-788f-8489-a3e528d6b246 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013476 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f33e4af52fe4eecfaa6323e40eab1d046d7c2125a9392cdab436cc3f503404c |
|---|---|
| Markdown | c08aee18e7b727a9ffd4cfd63f5df70d59213a7f868da9f66c589f02dafd7898 |
| Publication page | 2d0c2a76426e62ce8dfd717b87450991469fdd765def7ab80a7efe2cce32a663 |
| Manifest | 11cfd6b09b4da5edfe5f81c35c5b25058a803026fe34ac8676f026b0b2d55790 |
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 | Gpf9jLWajZ9t/RhHMBTncuDIWw57OlpRcj23pNvNO8fs7gJtQWunNUdWGLzUrRTQ63mOBi8ooaMk6M82be5RDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:09:58.638313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013476observed 2d0c2a76426e62ce8dfd717b87450991...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:58.619399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013476/manifest.jsonobserved 11cfd6b09b4da5edfe5f81c35c5b2505...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:58.601957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013476/publication.mdobserved c08aee18e7b727a9ffd4cfd63f5df70d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:58.584086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013476/publication.txtobserved 2f33e4af52fe4eecfaa6323e40eab1d0...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. |
|---|