OT-2026-000054200
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer
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-2026-000054200) never changes.
Identity and time
| Publication number | OT-2026-000054200 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a8-764d-ab37-7d11a77fe87d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054200 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f7d2c660792e0821efe7a3aeb043f7b8766aa921ecfc606a54582a5ba52b23c |
|---|---|
| Markdown | 03a5fcb871e46b88bd5878b7b7bf5ae38bdaf320e04f07f25e81a7d6fb57f6d2 |
| Publication page | c8c0eb61b44c07b32f77440fd0744e8e343451977708e31d951077240d3123b0 |
| Manifest | a954e24602abe2101553c30e26c5bdd75f8a9db40ad947d7efc7cca0527ee7f2 |
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 | A8GGVtJu0ACU1hdUAsn5F/6d2R7XFT/HrvJUCjjaCbtRLf46dCgilwVE5HtC6FL9ku3uI4Wu2JWMDTbG7vZmCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:28.038589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054200observed c8c0eb61b44c07b32f77440fd0744e8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:28.019073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054200/manifest.jsonobserved a954e24602abe2101553c30e26c5bdd7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:27.997738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054200/publication.mdobserved 03a5fcb871e46b88bd5878b7b7bf5ae3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:27.979937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054200/publication.txtobserved 5f7d2c660792e0821efe7a3aeb043f7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:40.406717Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054200observed ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:40.392055Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054200/manifest.jsonobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:40.375968Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054200/publication.mdobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:40.361663Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054200/publication.txtobserved ...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. |
|---|