OT-2026-000003789
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, contact triggered on the face
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-2026-000003789) never changes.
Identity and time
| Publication number | OT-2026-000003789 · never reused |
|---|---|
| Internal UUID | 01a0a90b-10ef-73ec-8dab-76ce4faa3e07 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:49.874128Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003789 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b100c69e72958cf12b0136eaa675641c888f28e755eccaa26fb3782314600da |
|---|---|
| Markdown | 023908a95bd59726e434e6ce5c1272aba6fdec923c41d32d5524d7cd2e5c96a6 |
| Publication page | 6dbea86db2f07652a54142db706b6e0355770602454b818578d699dd9e758dc4 |
| Manifest | 4d9fcbf299a7ddb0e4fbdc663e4b4c8bcee53172d66b7b215706068cab8d123a |
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 | lfv0j5L8MyVBeka91MIniY2EEpKgP9rtY6ChwU8oW3pACROcDpSWxFcblmX5V7a+ej/W09lIrn24PkZMhBQbCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:20.249363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003789observed 6dbea86db2f07652a54142db706b6e03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:20.234695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003789/manifest.jsonobserved 4d9fcbf299a7ddb0e4fbdc663e4b4c8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:20.221503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003789/publication.mdobserved 023908a95bd59726e434e6ce5c1272ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:20.207190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003789/publication.txtobserved 8b100c69e72958cf12b0136eaa675641...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. |
|---|