OT-2026-000042121
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000042121) never changes.
Identity and time
| Publication number | OT-2026-000042121 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-7010-a2f9-687af06061a0 · 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-2026-000042121 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8abd270199faa5ec37fef43595108bf3b3e515fabfc31a24a0fb318e87d7bb9 |
|---|---|
| Markdown | 546461ce5df569409e69d71d81ed090c37ff9f2b99ac663dd84fac6e490b9ea3 |
| Publication page | 8be38e76394454c697a2f3221886f813a0b3615177435fff5d3fc17eae2d9759 |
| Manifest | e99b75a5f836b509057e97bd6f82d4a633ef1050c1f2bf7a52cbde7d9535e316 |
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 | 4SEBo1n4LgnoqTaltXtnX8Ur0WQZ13yxiqneuWgCwp0ao5iZNIxX3edKVr9YwcpnKWzFrFj/SEu53J6QZRPVAQ== |
| 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
| 2026-09-17T11:15:39.851431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042121observed 8be38e76394454c697a2f3221886f813...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:39.831647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042121/manifest.jsonobserved e99b75a5f836b509057e97bd6f82d4a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:39.807995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042121/publication.mdobserved 546461ce5df569409e69d71d81ed090c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:39.788352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042121/publication.txtobserved b8abd270199faa5ec37fef43595108bf...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. |
|---|