OT-2026-000006820
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, pump fed, pressure verified, 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-2026-000006820) never changes.
Identity and time
| Publication number | OT-2026-000006820 · never reused |
|---|---|
| Internal UUID | 01a0a968-8210-709e-88d0-80bcd92ad689 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:49:53.683850Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e2c7654116ce5f11ea42b824efbdd28e4a0232771c3930a0d0b6099cdbf8a2b |
|---|---|
| Markdown | 68417009ebcce9562180ca88fcbbb8c53f0de0d7bb5d35d86c546224fb939e97 |
| Publication page | dcf442fe91bd6de201291e3e5ab681ea53c08ea96cac41cafe1a61528a004c40 |
| Manifest | c4c706ea9e3038511c3c23ac67248601df1c5f08d48ee494c4d8bf5bcc71b8e6 |
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 | ATwIoUCYzVzn0QycfI2/u7BFpN9sBN5C88oevKCeQihxtBtGVldW56o5aNCEOhViWBSPixW8oPXcGY8ST71vBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T08:50:02.735469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006820observed dcf442fe91bd6de201291e3e5ab681ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:02.722618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006820/manifest.jsonobserved c4c706ea9e3038511c3c23ac67248601...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:02.709365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006820/publication.mdobserved 68417009ebcce9562180ca88fcbbb8c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:02.695144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006820/publication.txtobserved 1e2c7654116ce5f11ea42b824efbdd28...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. |
|---|