OT-2026-000006343
Publication integrity record
Vacuum cup gripper, two stage ejector, contact triggered, vented after set down, rubber cups
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-2026-000006343) never changes.
Identity and time
| Publication number | OT-2026-000006343 · never reused |
|---|---|
| Internal UUID | 01a0a957-b04b-72d9-accf-1e6ef8c5928a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:31:31.406057Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006343 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf521c8b88e1a7b635c29ec0e136478662e87cafb00528d088342322bb92f9a4 |
|---|---|
| Markdown | ba02e7dbf6de9f6a51668cc1d3a4834d790b1fc59167688f0120f928c9fa993d |
| Publication page | 2d427bd07608cff9e831ae20b222f7f4206e38f90c26ebd99666d2758ca359e2 |
| Manifest | 2d6cf696223cfd088d3db4b30a833c30d7dc2b5851e76a66c292be15efd43696 |
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 | CWz2+jq3P8ivlWBL1Xh1Fan2IFl67eBvZJrMg+eCz4pXheQvfmscMZH7IJk8AoWf3gv5UmLlkdZJH12+HGK/DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:29.123968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006343observed 2d427bd07608cff9e831ae20b222f7f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:28.984445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006343/manifest.jsonobserved 2d6cf696223cfd088d3db4b30a833c30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:28.971942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006343/publication.mdobserved ba02e7dbf6de9f6a51668cc1d3a4834d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:28.958477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006343/publication.txtobserved cf521c8b88e1a7b635c29ec0e1364786...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. |
|---|