OT-2026-000011988
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off before 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-2026-000011988) never changes.
Identity and time
| Publication number | OT-2026-000011988 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1943-741c-a98c-b7a74dde7e8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bf811aaeb00d7fc215935ca7b6e9a128e41bf28211db3f7c1442c8239040a39 |
|---|---|
| Markdown | 4fa3954a1b8b61613f04caa39f45b24b712ed24b1a8a20ba4c0d8b3822a553ee |
| Publication page | 39c742c3c1781dfdf94234cdc0a8b50210ee952f4e6e499a5716c89010446073 |
| Manifest | 51ea625156b14d0f16544ae45f01ffe2de52e9bad7abd769227f0f6c0542e7a7 |
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 | QTqTjq8ywaja3g8Qjv4VULuq3Z+CA4VyjdZa+zrGmskiQUm4Sj1oWvWJUEOT3fCZ/szAEzk4X8RCf5jP7URjBg== |
| 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
| 2026-09-21T04:23:03.053317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988observed 39c742c3c1781dfdf94234cdc0a8b502...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T04:23:03.034998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988/manifest.jsonobserved 51ea625156b14d0f16544ae45f01ffe2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:03.008951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988/publication.mdobserved 4fa3954a1b8b61613f04caa39f45b24b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:02.983489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988/publication.txtobserved 4bf811aaeb00d7fc215935ca7b6e9a12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.920717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988observed 39c742c3c1781dfdf94234cdc0a8b502...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.899565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988/manifest.jsonobserved 51ea625156b14d0f16544ae45f01ffe2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.881690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988/publication.mdobserved 4fa3954a1b8b61613f04caa39f45b24b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.862691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011988/publication.txtobserved 4bf811aaeb00d7fc215935ca7b6e9a12...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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