OT-2026-000005419
Publication integrity record
Porous face vacuum gripper, common isolation valve, plant vacuum fed, pressure verified, contact triggered
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-2026-000005419) never changes.
Identity and time
| Publication number | OT-2026-000005419 · never reused |
|---|---|
| Internal UUID | 01a0a938-6a89-74f1-8eb6-bbcdcaa2ba78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:57:21.932004Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005419 |
| Status | PUBLIC |
Content hashes
| Canonical text | 67710275df469984f31ca2be9e8c241d40ddea4ee6125b9e73fd3f7e2ad17889 |
|---|---|
| Markdown | ca4436cfefa4bfc65616085e285c9e68e63279ecabff053991d28009283e8c80 |
| Publication page | 5d93ed1ae2b68e93bed476347d5414404e79611ca34ca3543b6225b9a7747078 |
| Manifest | bd8f37ca2aaae7ad243450784304036983bf659a130f8a4d770290817d6863de |
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 | PYUZt3VbR4dbpbxTgHDxujXMkXJLS3Fr9ylcEBhYiG/oHrxJzbiOIRLqLGZEU0JMXS280zrAIaIccpUJz4BnDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:11.721296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005419observed 5d93ed1ae2b68e93bed476347d541440...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:11.708081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005419/manifest.jsonobserved bd8f37ca2aaae7ad2434507843040369...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:11.694395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005419/publication.mdobserved ca4436cfefa4bfc65616085e285c9e68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:11.678714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005419/publication.txtobserved 67710275df469984f31ca2be9e8c241d...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. |
|---|