OT-2026-000042957
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000042957) never changes.
Identity and time
| Publication number | OT-2026-000042957 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-3277-7198-aae6-92ef3847cac8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042957 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2083e8ebcbe0d757cd4d6741b2d62b9a6eac08fe183abbaf00f0c2a20faf9b87 |
|---|---|
| Markdown | b16a38ff10f8ad497628db2a14323ceee5a3a0ec646c93d88d6f14c9e4f1e2c9 |
| Publication page | e18a89830532be7c3cca3dd0b08ffcffa642da466e78be129891d84351d14e7b |
| Manifest | 8d7e0fe8d467620f04d445823188b8d28779fb45d9009ef56c14c95a684fb628 |
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 | bwM99ek6aFcbl+V0/vfAIDBuyfCb0S/etYQCJdCMmCiHyi7fj38Cvu1EiP6xFTxt1fA8fBWuYVFN3vj0DjyRAg== |
| 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
| 2026-10-16T12:41:16.915571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957observed e18a89830532be7c3cca3dd0b08ffcff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T12:41:16.811692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957/manifest.jsonobserved 8d7e0fe8d467620f04d445823188b8d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:16.761723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957/publication.mdobserved b16a38ff10f8ad497628db2a14323cee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:16.650677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957/publication.txtobserved 2083e8ebcbe0d757cd4d6741b2d62b9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.835588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957observed e18a89830532be7c3cca3dd0b08ffcff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.821042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957/manifest.jsonobserved 8d7e0fe8d467620f04d445823188b8d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.785458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957/publication.mdobserved b16a38ff10f8ad497628db2a14323cee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.738900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042957/publication.txtobserved 2083e8ebcbe0d757cd4d6741b2d62b9a...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 |
|---|