OT-2026-000023830
Publication integrity record
Foam pad vacuum gripper, three stage ejector, 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-2026-000023830) never changes.
Identity and time
| Publication number | OT-2026-000023830 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed5-7d38-871a-d9b4cb89a3b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023830 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5bdc55cd7590283486f6eac5c20100b9826c728ac0c7e3eebe98d9f5115152b |
|---|---|
| Markdown | 821d9d0c6ed5426520dbdf9f86fa96040e9f54cf6943f9e81b7491cfe1314ff8 |
| Publication page | 555c13bbef2b30786ab7322d889068946c58f95b9e2ddd47a21de6be935cb2b0 |
| Manifest | 5440e6dfa365a426e36a1051b684ad4627707ba5d3961a02529e27bb80e1f13a |
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 | CJ/ca7vGHaAZ3PPB+gNJlb408A/za8glIUP6jtMhnHvDfQbLRFwIMtLNZ/9T/XJDe3DXXD688WIBb1y8ydEyAg== |
| 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
| 2026-09-17T11:50:19.134307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023830observed 555c13bbef2b30786ab7322d88906894...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:19.115495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023830/manifest.jsonobserved 5440e6dfa365a426e36a1051b684ad46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:19.098444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023830/publication.mdobserved 821d9d0c6ed5426520dbdf9f86fa9604...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:19.081792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023830/publication.txtobserved b5bdc55cd7590283486f6eac5c20100b...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. |
|---|