OT-2026-000049667
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049667) never changes.
Identity and time
| Publication number | OT-2026-000049667 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8fee-7de2-86c1-e68c7de27f76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049667 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f13104804d8117151beda55119a3524181e08fa65f51a21070ae5a4e6b9deae |
|---|---|
| Markdown | 507bd3a74f5861d05b1f067c84c5ce25c2af7051d64bf6df948e957d1092a00d |
| Publication page | 50c858c50b29fe7964d6bebad28d1bc62844594cddcff9b924c1bf6d53d3bbe5 |
| Manifest | a33d4c1484f85cc281f8ab85b0a9371cc123559a8505eb601cfe9b2895cd4573 |
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 | mU0XFTsJEEd+HhNkNzyypXbVtLB/loua2qZ4sdmDqYneZS3Mjt8RFs2Cdfl1UlV9KdDLGGXwzWP7+isEV6t7Cg== |
| 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
| 2026-10-05T08:41:41.534793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667observed 50c858c50b29fe7964d6bebad28d1bc6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T08:41:41.456989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667/manifest.jsonobserved a33d4c1484f85cc281f8ab85b0a9371c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:41.380079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667/publication.mdobserved 507bd3a74f5861d05b1f067c84c5ce25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:41.297813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667/publication.txtobserved 2f13104804d8117151beda55119a3524...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:36.349378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667observed 50c858c50b29fe7964d6bebad28d1bc6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:36.199579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667/manifest.jsonobserved a33d4c1484f85cc281f8ab85b0a9371c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:36.050242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667/publication.mdobserved 507bd3a74f5861d05b1f067c84c5ce25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:35.823652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049667/publication.txtobserved 2f13104804d8117151beda55119a3524...fetched by grabo-systems from 34.44.131.203, 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 |
|---|