OT-2026-000052688
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052688) never changes.
Identity and time
| Publication number | OT-2026-000052688 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573c-761a-ae5b-422bdc040229 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ffd3b900fa87239043ac00d7a2d58681160ee537e95a3ebe6624a03d53d3a3d |
|---|---|
| Markdown | 5a462ecc835e0c4d25067fbe1e06fb3519e25543061419be18b12b986db738cc |
| Publication page | 0f11df7cbe5bda9595b720f67eb5b83b0a3c68ade931d8d7d1d1da8bd5faef2a |
| Manifest | 72ca87d4d671e11227b961d9d2d7cc9385f2f20a70c4b81adee77143e08591d1 |
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 | 3EM8fiZyePzlLozt+XsF7tH3nuS9jhHmn/IJiqFctrioAfewKqr4euAwRLIotpZSwhZoJu3YcP6Vmy+QAY1vDQ== |
| 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
| 2026-09-17T10:57:23.130320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052688observed 0f11df7cbe5bda9595b720f67eb5b83b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:23.111707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052688/manifest.jsonobserved 72ca87d4d671e11227b961d9d2d7cc93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:23.092955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052688/publication.mdobserved 5a462ecc835e0c4d25067fbe1e06fb35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:23.074755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052688/publication.txtobserved 2ffd3b900fa87239043ac00d7a2d5868...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. |
|---|