OT-2026-000006649
Publication integrity record
Porous face vacuum gripper, pump fed, contact triggered, 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-2026-000006649) never changes.
Identity and time
| Publication number | OT-2026-000006649 · never reused |
|---|---|
| Internal UUID | 01a0a962-a61b-7a95-bd19-ba6677576aac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:43:29.693924Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006649 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ed2752eb9bde18a70c898e6303a5ba82f14b840b0bf8d978663478a6128b913 |
|---|---|
| Markdown | 1b10cb97c371a32717bdbdc8a17b8547d1055c98c5eca1ad572971614fd48778 |
| Publication page | d3fa72282d646fe1b5fa659486b524d723468469ef301ed7ddee6adef475a111 |
| Manifest | bcbe4764e08387ffaa552fb9c7ea48959422d08caed13ad7cc0b658c4b353d35 |
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 | m110PCCjE1uWcwh5wiDzSflpJ1hu/XqQs+IJUjrNO1U/h312Y+Et4yT1IRvUUpeqIBsGMxqL1YYS5luRwMvuAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:21.392082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006649observed d3fa72282d646fe1b5fa659486b524d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:21.378143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006649/manifest.jsonobserved bcbe4764e08387ffaa552fb9c7ea4895...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:21.241518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006649/publication.mdobserved 1b10cb97c371a32717bdbdc8a17b8547...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:21.227470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006649/publication.txtobserved 8ed2752eb9bde18a70c898e6303a5ba8...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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