OT-2026-000049220
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000049220) never changes.
Identity and time
| Publication number | OT-2026-000049220 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134f-75c2-be2a-8d630899e068 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049220 |
| Status | PUBLIC |
Content hashes
| Canonical text | da3202a6cbdf3dbc1f6f83c6716c6ca4a2bec03f1fc2b3d1a1155f89b399405e |
|---|---|
| Markdown | 264feaf7fa853104738121dadc94c8543e8b50724de26581e3b8ea4b564916a1 |
| Publication page | adc808c7925b3c5b55ae73d712b2b66730d0f6414db9bcccbbb1f41419d1cbcd |
| Manifest | 77b9818bfb42b06fbc5fda27a3fb6b3479357bf25f7caaaa887e9dfc28aada87 |
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 | fkRA/rN/66i0dxWPQBXH3aWd/JMLNe56WbMoJHgDygaHhHuT+tlb8I7ZBvSTWa6xnuNmrte810dm3mbAnXN3CA== |
| 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
| 2026-09-17T11:04:02.375886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049220observed adc808c7925b3c5b55ae73d712b2b667...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:02.358568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049220/manifest.jsonobserved 77b9818bfb42b06fbc5fda27a3fb6b34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:02.341553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049220/publication.mdobserved 264feaf7fa853104738121dadc94c854...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:02.319210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049220/publication.txtobserved da3202a6cbdf3dbc1f6f83c6716c6ca4...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. |
|---|