OT-2026-000004900
Publication integrity record
Porous face vacuum gripper, two stage ejector, pressure verified, pulsed blow off before set down
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-2026-000004900) never changes.
Identity and time
| Publication number | OT-2026-000004900 · never reused |
|---|---|
| Internal UUID | 01a0a927-25e4-7a0c-a301-afdbd76284e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:30.248533Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 036c012bb582a853bf92dc098b32100a04f350d40329345e9e953356ba9e4e62 |
|---|---|
| Markdown | 8ea84b260ef5a9cb28a030422d5c1bbc9b3f389d32bb9127467b69f65e1e4505 |
| Publication page | 86ba66d49e4eda4b3e718658e564245a5152c5114aa53acaecdae1cbf67e3681 |
| Manifest | ba5dd06b8c24d8e2e4d3aa8d4ef460f881f97a2dc3d8918af13c7bfd6708a46e |
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 | bO9IBBZHSdj2hngFvG7+ZATd/vIQb2znQ784jfTQ74UVCf6Oq67DAQBh9VjXwRisTILIpcL/wqbvK2Y3b51dAg== |
| 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
| 2026-09-16T07:40:06.738732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004900observed 86ba66d49e4eda4b3e718658e564245a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:06.725387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004900/manifest.jsonobserved ba5dd06b8c24d8e2e4d3aa8d4ef460f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.713775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004900/publication.mdobserved 8ea84b260ef5a9cb28a030422d5c1bbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.701831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004900/publication.txtobserved 036c012bb582a853bf92dc098b32100a...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. |
|---|