OT-2026-000004414
Publication integrity record
Porous face vacuum gripper, four zone face, two outlet manifold, pump fed
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-2026-000004414) never changes.
Identity and time
| Publication number | OT-2026-000004414 · never reused |
|---|---|
| Internal UUID | 01a0a916-ec6a-7a88-8524-d29889b155e6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:46.957495Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004414 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16d212a07b5b401f3abb92bece02b81dc97cb049a78a4bf142e26ecfaaaaedb9 |
|---|---|
| Markdown | 7a51aea7e54b0532501d17e1423eb5e49420e48dc1591c7f0685397bf9a0d13a |
| Publication page | b5f4742da70182e33f765e4371a55e1c3bc8ac0f010cab3f6cbcabc3b45e30d1 |
| Manifest | 841f3292c58ddca3416d242489c8746a10a4c35c21af68348d6ad8dff9f8f703 |
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 | QyEEzFkIjJk2Dub7ihS5HOFkK2mMzk1v3zKNj/qg3cUNJaiUkFCd8N6Gw7ZY8SoWvItkgMFNg95LHAVlR4+9Aw== |
| 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
| 2026-09-16T07:30:30.211617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004414observed b5f4742da70182e33f765e4371a55e1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:30.197481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004414/manifest.jsonobserved 841f3292c58ddca3416d242489c8746a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:30.184836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004414/publication.mdobserved 7a51aea7e54b0532501d17e1423eb5e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:30.171393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004414/publication.txtobserved 16d212a07b5b401f3abb92bece02b81d...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. |
|---|