OT-2026-000059752
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000059752) never changes.
Identity and time
| Publication number | OT-2026-000059752 · never reused |
|---|---|
| Internal UUID | 01a0ae89-ec25-711e-9ef9-6efaa62f1b39 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:44:29.732559Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000059752 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0e53c5698cf9548f10232bc8acaef99fdbcfa730e39f900898c852e35c54894 |
|---|---|
| Markdown | 5a8ef98b262283039c0e7f28bf5bc593503e06f94d740814f7ed28d065f6a0cb |
| Publication page | 4ef04ab46cf7a9ef63b247405629b862f3cbc8b5702680e843a3b7564745bb98 |
| Manifest | 1bdefb8e22185506e800a836bbeb6be27db758441674cd76f2b9a3f1b1135504 |
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 | EeKrTznQa84dEqnnllKX2p0i+/NQxdcY61KJX9fA0SjyN7eIbDUTWUa+Joum9m2jeti0+5PecV5GrEJ+Yk2LDQ== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:44:28.520300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059752observed 4ef04ab46cf7a9ef63b247405629b862...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:44:28.503792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059752/manifest.jsonobserved 1bdefb8e22185506e800a836bbeb6be2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:44:28.487830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059752/publication.mdobserved 5a8ef98b262283039c0e7f28bf5bc593...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:44:28.470977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059752/publication.txtobserved c0e53c5698cf9548f10232bc8acaef99...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. |
|---|