OT-2026-000047725
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000047725) never changes.
Identity and time
| Publication number | OT-2026-000047725 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c41f-7f5f-a384-d61d5e56afc3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047725 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65ba0f3fd67dfce83f2b26be910864305e36db369429b0ff9a4dadc9effc5817 |
|---|---|
| Markdown | f932997fe61156d2bbb4c070b51869c44fefdbb02973da3d0e3255d27d11b7aa |
| Publication page | 7b911dd5331b02eef4142d30bfb82f5389f4347561173d8adc2ef0a343745cd6 |
| Manifest | 8d056e0e096d34b7b09dc5e4e5e4c8a50e42d09a4ea8f63a306506eddb507ed1 |
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 | M82tMrHrgf2DZHcavNbFmFw3W+VfCTnmq6AU076pbzcEn5F2BqZAgUTiaV4/mMiju4Lzk6Znz/vZeOR33e8YDA== |
| 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
| 2026-10-23T16:42:15.471916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725observed 7b911dd5331b02eef4142d30bfb82f53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:42:15.421297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725/manifest.jsonobserved 8d056e0e096d34b7b09dc5e4e5e4c8a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:15.368520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725/publication.mdobserved f932997fe61156d2bbb4c070b51869c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:15.269590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725/publication.txtobserved 65ba0f3fd67dfce83f2b26be91086430...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:42:08.315330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725observed 7b911dd5331b02eef4142d30bfb82f53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:42:08.237227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725/manifest.jsonobserved 8d056e0e096d34b7b09dc5e4e5e4c8a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:42:08.129929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725/publication.mdobserved f932997fe61156d2bbb4c070b51869c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:42:08.007815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047725/publication.txtobserved 65ba0f3fd67dfce83f2b26be91086430...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 |
|---|