OT-2026-000004701
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, three stage ejector
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-2026-000004701) never changes.
Identity and time
| Publication number | OT-2026-000004701 · never reused |
|---|---|
| Internal UUID | 01a0a920-9ab9-70cf-b2eb-b4edeec098e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:21.404577Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004701 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f62779453aacb8cb74f9aff14d31bb030cd63422ebce2e22b44f65fbe5eb63d |
|---|---|
| Markdown | 76b18ec759ef99977419cd219cde1be01b248d99aa9e282333858ad776b37a6a |
| Publication page | ea7d9c21652b7f816cee2196ce727bf1f8803a6eba84b7039481f024ea058cfb |
| Manifest | 8e3cf227ea2b28add30150b0f31b269e090ccd8bb1a9e12794c258d475159a4c |
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 | QS5djrOWPp3sjaH2U2/EPNtDsAZ2vbkK1fpCAP4LKjf7dvKnBsA8yej1ZmgUqy6P4Syi0e3mFOe7D8lPS1tGBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:28.132897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004701observed ea7d9c21652b7f816cee2196ce727bf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:27.993029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004701/manifest.jsonobserved 8e3cf227ea2b28add30150b0f31b269e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:27.979303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004701/publication.mdobserved 76b18ec759ef99977419cd219cde1be0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:27.966601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004701/publication.txtobserved 1f62779453aacb8cb74f9aff14d31bb0...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. |
|---|