OT-2026-000020839
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off before 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-2026-000020839) never changes.
Identity and time
| Publication number | OT-2026-000020839 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7e27-bb5e-960dc67f835b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020839 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6da24b119525477f6e802e85608a9f0e4413d3d97ee02d14a222ca9d20f440e4 |
|---|---|
| Markdown | 0d15330197febb803a13592007fc642740d2c4777c7fd9609013b2a64f5515fe |
| Publication page | e379cfe6defcbddb281fc7c66c8744e22d8ecd92d36f90ecb16079c89e9f0543 |
| Manifest | ec403f63caad76d46850de1872541de7ef6bd0fbf0fa7da133387bdf6003e6e1 |
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 | IlBBjYCerigDmClAr1uHowmWhTA+zkjjix1DpF/W65bCTZ20TB/KWz6ozQULAIxpISN0d74RfBVRe24VOaOpAw== |
| 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
| 2026-09-17T11:55:56.164455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020839observed e379cfe6defcbddb281fc7c66c8744e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:56.147596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020839/manifest.jsonobserved ec403f63caad76d46850de1872541de7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.128781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020839/publication.mdobserved 0d15330197febb803a13592007fc6427...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.110482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020839/publication.txtobserved 6da24b119525477f6e802e85608a9f0e...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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