OT-2026-000049180
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000049180) never changes.
Identity and time
| Publication number | OT-2026-000049180 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134e-7b96-afaa-56f84e279f20 · 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-2026-000049180 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d4cb2087f644f87b871edb8b5bb8a7516ca40d791420cc8b3d17aba2178a879 |
|---|---|
| Markdown | c0d40908b66e861d71c7386bce74507b46d6fb497e888b0b193fc80e641e31f5 |
| Publication page | 6663922693526c17bed956a8aa32be81af3bbf85548ff854957d412ed4916dc4 |
| Manifest | b672557d98426864fdd3bb690d14b8449404a5b1f2ab689ba5db7121835455fe |
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 | Wdx/kIyROECUTnxcmyZf0RPZ6yB83sZfC/gqyeTh9UVqBIoMtejOKVhp37H3iFuZ5dpeCP+1vlzlACQgRyCBCQ== |
| 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
| 2026-09-17T11:03:59.085720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049180observed 6663922693526c17bed956a8aa32be81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:03:59.067739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049180/manifest.jsonobserved b672557d98426864fdd3bb690d14b844...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:03:59.050611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049180/publication.mdobserved c0d40908b66e861d71c7386bce74507b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:03:59.031574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049180/publication.txtobserved 2d4cb2087f644f87b871edb8b5bb8a75...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. |
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