OT-2026-000042809
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, 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-2026-000042809) never changes.
Identity and time
| Publication number | OT-2026-000042809 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7d15-a945-0fa4b4c00d55 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042809 |
| Status | PUBLIC |
Content hashes
| Canonical text | 847f3e7e86541dbbdd64092556f2bb0c05d58dba15defe2836eaa72745dac2da |
|---|---|
| Markdown | 03bc7c3ff5fa4825c09597b24ef2126a12cabc8f7438959af5a0bd5cf8f2937e |
| Publication page | 30eccffe4dcdc51dadb750a3208149321090a5061ef060223dc2215de56cbbc7 |
| Manifest | cb0051d3ac375e30ee516340e3ccbf53193bb00182ae7ba1feaf03a79b6963bd |
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 | JKL5yZqDNW+R4WqaKKobe6ga9jGwY8qtdIPJiiDY+SQhtX52raPTk1c7chRtcbxWwlFuf6D3ZmK72g5LlmMeCA== |
| 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
| 2026-09-17T11:15:17.056012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042809observed 30eccffe4dcdc51dadb750a320814932...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:17.038154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042809/manifest.jsonobserved cb0051d3ac375e30ee516340e3ccbf53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.018231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042809/publication.mdobserved 03bc7c3ff5fa4825c09597b24ef2126a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:16.993633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042809/publication.txtobserved 847f3e7e86541dbbdd64092556f2bb0c...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. |
|---|