OT-2026-000028538
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000028538) never changes.
Identity and time
| Publication number | OT-2026-000028538 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7dd4-9797-9aa73915bb3c · 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-2026-000028538 |
| Status | PUBLIC |
Content hashes
| Canonical text | efeb5934fdb6003380328d10388c6b1c1c0d0508d1202ef64bba16962e47634c |
|---|---|
| Markdown | ed3bc89e0bb35faa89aaab5b06795e269f5bc4eddd8de80f8e1b406cef2b5859 |
| Publication page | bb2b009bd1c3caa7230a1d095dd144f882f0439b9ba0d5b3c210bb2f3d9c7dbf |
| Manifest | 2860afae79bd5d6bd1253ab7c3ae8655bf16daeb5eee1c0ec64508f3bf056570 |
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 | x38XjqxO4UM85AGy4gQI+4KQV8jswWVEWTja30vp6XwtF5yZuRoIGH+keEJNTL/Kica1GhMUAQYBgcAR+w9MDw== |
| 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
| 2026-09-17T11:40:48.807969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028538observed bb2b009bd1c3caa7230a1d095dd144f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.790458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028538/manifest.jsonobserved 2860afae79bd5d6bd1253ab7c3ae8655...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.772210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028538/publication.mdobserved ed3bc89e0bb35faa89aaab5b06795e26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.753450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028538/publication.txtobserved efeb5934fdb6003380328d10388c6b1c...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. |
|---|