OT-2026-000053489
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000053489) never changes.
Identity and time
| Publication number | OT-2026-000053489 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a91-73ed-a956-c642e135987c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053489 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51c256dc3c9d3e07ec447dbc03299985c714c180106826dbad61958ce885a924 |
|---|---|
| Markdown | 828fae909c5bc4a7983ebc88c1b934e1461b0feabc87ccab341c251d68e9c5a1 |
| Publication page | e1a7b2e6bd2ae9e6f70877b7afb1cc42000da4a5598ce70f7deba005458434b9 |
| Manifest | 2c515a2fbf08c59791c2fb50e22ae4b4ca208c2c6e9076866e6a7eadc57b729f |
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 | HtQceXE/CsAiCJSYP8II8MxKuv+DgQffjUEBZ3UvMjP8r/XUCEqHKDlrD88sG2gvjp5R6uPmi1axW6HSnxezAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:19.521196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053489observed e1a7b2e6bd2ae9e6f70877b7afb1cc42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:19.500882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053489/manifest.jsonobserved 2c515a2fbf08c59791c2fb50e22ae4b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:19.481313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053489/publication.mdobserved 828fae909c5bc4a7983ebc88c1b934e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:19.462229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053489/publication.txtobserved 51c256dc3c9d3e07ec447dbc03299985...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. |
|---|