OT-2026-000042158
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000042158) never changes.
Identity and time
| Publication number | OT-2026-000042158 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-73d7-a087-d5e80467ddd2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042158 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52523e79e1f6792efdfe2efca1ba54ac7dde399d9693108fcdccb21f5d985fb2 |
|---|---|
| Markdown | 53b62dd3012bbe958e100f8bca585ddef5de340b32f5eaf34f780f2292b22e16 |
| Publication page | 64d553b4bb1763f14f8abe0eac5835961d9b7f7b451c00ebea2aad3877ab3037 |
| Manifest | d32cbca358bb7f0254587db69abcd9aec4dfa61a8c474d8628910378006c2d6a |
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 | gMNT1uHkEjxhL5DPkq/1WZyHdBKX4juFhy5r4gkuHLMsDb6M/cD8QM66/AEExcDy5XDm0kJnALW+DLsViOGHBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:15:42.893162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042158observed 64d553b4bb1763f14f8abe0eac583596...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:42.872329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042158/manifest.jsonobserved d32cbca358bb7f0254587db69abcd9ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:42.851908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042158/publication.mdobserved 53b62dd3012bbe958e100f8bca585dde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:42.832500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042158/publication.txtobserved 52523e79e1f6792efdfe2efca1ba54ac...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. |
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