OT-2026-000052421
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000052421) never changes.
Identity and time
| Publication number | OT-2026-000052421 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7d2f-b8be-9734042b62ae · 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-2026-000052421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56c2222853fdfdd5d1bb83cc564c8513d9e025b1e9bb68a4f0fdbf8da62d3ebb |
|---|---|
| Markdown | 8df43bbe49649a188c889f9f051d86f957bf1450410c5e2b017469084734675a |
| Publication page | 695a2034e8663dde2028e8b4c6ce1b31891cfe7fe53fd7d870ebac2cdbcc53da |
| Manifest | 38fa4335ad38d0687bbed1c013ba46513c0571d16d710dbf98fb7c7b33b13211 |
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 | XKVZoccYTuXLmw90/tfcxNcu537Nsf8wwFjjtoA2Z+up5PZsTCcqHMw1PnAzx+EVKnY9xJV8vKcnusVXmdCZAg== |
| 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
| 2026-09-17T10:57:02.202694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052421observed 695a2034e8663dde2028e8b4c6ce1b31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:02.185362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052421/manifest.jsonobserved 38fa4335ad38d0687bbed1c013ba4651...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:02.168945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052421/publication.mdobserved 8df43bbe49649a188c889f9f051d86f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:02.148790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052421/publication.txtobserved 56c2222853fdfdd5d1bb83cc564c8513...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. |
|---|