OT-2026-000028396
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained 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-2026-000028396) never changes.
Identity and time
| Publication number | OT-2026-000028396 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7d0b-8a1e-e166bf281c91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028396 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e73512efce56de4e7807fefb00f5a7e67ecffbd2431396e32b3ef92d0b4e0b6 |
|---|---|
| Markdown | 115ad0c2577215e04b6aee42d5ba41f40dc5f9e28e6e701bb82353a41bc79c33 |
| Publication page | 161a91dfdf9a404d56e8660836f1640b6edd7247117da7aa50682d7c04bd1817 |
| Manifest | 62b9d17ee06c2e40b536c4db94d08d65489c9c5688f6acc1e5b5b038f8aa5289 |
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 | Yecur11bTzZuwvxm8OoFaXDX0mMXwL3VQ/djpVkpmyuzR6rsZFz70FfpC3MIayLObDW/j5FqqcVAD7qCvXgcAg== |
| 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
| 2026-09-17T11:40:31.420860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028396observed 161a91dfdf9a404d56e8660836f1640b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:31.404769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028396/manifest.jsonobserved 62b9d17ee06c2e40b536c4db94d08d65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.386209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028396/publication.mdobserved 115ad0c2577215e04b6aee42d5ba41f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.366722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028396/publication.txtobserved 8e73512efce56de4e7807fefb00f5a7e...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. |
|---|