OT-2026-000052840
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000052840) never changes.
Identity and time
| Publication number | OT-2026-000052840 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-790a-9e4f-ec5e9d8c80ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2da72a537ba926eaa9b6fc34565c595541a13a588835b46d22972fa8baf18b25 |
|---|---|
| Markdown | 9c226ef51ea8489ef9712a2b4db105436707b7b5f396cc9bbe62699f5b692568 |
| Publication page | c53d4ae86d821c88b91cc4497278644ca9377e0c2775e8a782c5997bd580150b |
| Manifest | 64f5ece7da657d9a132bf4ad71df76360ff9a4ddd2cd6d2c2139570a09f2e878 |
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 | JYwC1mmh5XBgKncdh4/wvolZlLWmPfALr1DprYbz7VBYKZ89Ba4HMIlZ4aDUwJkn7zwKubl3Kx4yod9VP3v1Cg== |
| 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
| 2026-09-17T10:55:52.280605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052840observed c53d4ae86d821c88b91cc4497278644c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:52.262927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052840/manifest.jsonobserved 64f5ece7da657d9a132bf4ad71df7636...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:52.243180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052840/publication.mdobserved 9c226ef51ea8489ef9712a2b4db10543...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:52.224129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052840/publication.txtobserved 2da72a537ba926eaa9b6fc34565c5955...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. |
|---|