OT-2026-000089903
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000089903) never changes.
Identity and time
| Publication number | OT-2026-000089903 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-75ae-9cec-ad7cd5b3f46a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089903 |
| Status | PUBLIC |
Content hashes
| Canonical text | d500c2a47761c696a1db6d360b3ec6d91d135b5837aa42a1e90de9cb8d5e3176 |
|---|---|
| Markdown | 37a273a42f890617cfd3791b248cbe98fe0c1e80be25802aa6fa11802c6d8324 |
| Publication page | 27170b8e03ae2be4c7f0901e8cfa42966e397cb54707c08e8fb6aae5d8d8465f |
| Manifest | eab85a505fec0eee927e5e81394a4c7bc631f496d5719fcf1fa8bb4bf000c531 |
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 | L4X9pRiR6shZPBpfo1nf4jQRdTynHFjMtqsdLWUO1LLuRJVZ99ZqDpted3YsVt2jyGT6ggpn969w94JMV3QMAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:45:10.214409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089903observed 27170b8e03ae2be4c7f0901e8cfa4296...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:10.194489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089903/manifest.jsonobserved eab85a505fec0eee927e5e81394a4c7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:10.175755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089903/publication.mdobserved 37a273a42f890617cfd3791b248cbe98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:10.158037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089903/publication.txtobserved d500c2a47761c696a1db6d360b3ec6d9...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. |
|---|