OT-2026-000004400
Publication integrity record
Porous face vacuum gripper, common isolation valve, two outlet manifold, pump fed, closed cell
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-2026-000004400) never changes.
Identity and time
| Publication number | OT-2026-000004400 · never reused |
|---|---|
| Internal UUID | 01a0a916-64a1-78ab-8107-8f8f004ac0d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:12.196544Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004400 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc87f8fcb26481afe303ce33f8770494d3e10addaf0f070b7fdb9ac175ff95cf |
|---|---|
| Markdown | bc0526609389e79844a1a36d4f0afd6a9c5859bfd1d8d9d0004b8d47e814fd3e |
| Publication page | 6c9fc831ea77648c6b9984ade2f8e775c9c490a5d8dfaa5f45db73d336a2c2d6 |
| Manifest | c09a56b3f8cb80bacd17afcaacbbcfbc0acdd4f173feb860e5d8b3b0f14dc296 |
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 | XgS1YquvhjUHCK0zmatnYKKyRUkX+Ywq0P7rTruBTDrJCm1znvYZfnhAgsJkEXg7tK7IqjCVc76SIhni18xOAw== |
| 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
| 2026-09-16T07:30:31.922440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004400observed 6c9fc831ea77648c6b9984ade2f8e775...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:31.910940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004400/manifest.jsonobserved c09a56b3f8cb80bacd17afcaacbbcfbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:31.898925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004400/publication.mdobserved bc0526609389e79844a1a36d4f0afd6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:31.886406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004400/publication.txtobserved cc87f8fcb26481afe303ce33f8770494...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. |
|---|