OT-2026-000028819
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028819) never changes.
Identity and time
| Publication number | OT-2026-000028819 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-77ff-902c-b378112f28d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028819 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8715bcfa982ba3253bb41d8433a9b019341d530264ebab800c402ca0f2d6d2b |
|---|---|
| Markdown | b574e1b686e8cb86dd907fef0d788467a01a3631f788c39d3e53d16c6bdee667 |
| Publication page | 06993316d5fe30dd2a58462d01337dfa5f658f2cd8add028ce6ac5618f1a8974 |
| Manifest | 097932b2ba0329d9693936b84fc45a504574857819b50c50473caceab753cd0f |
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 | ON4H2tsteNDONxsaHCX9Uk40om4TsIUZzGx3e1gVu59TgNjV3TR/2hZaJQp4TRbK3WxnYRIKgrqiLryt4r8/CQ== |
| 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
| 2026-09-17T11:39:59.459205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028819observed 06993316d5fe30dd2a58462d01337dfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.440800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028819/manifest.jsonobserved 097932b2ba0329d9693936b84fc45a50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.421616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028819/publication.mdobserved b574e1b686e8cb86dd907fef0d788467...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.403431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028819/publication.txtobserved d8715bcfa982ba3253bb41d8433a9b01...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. |
|---|