OT-2026-000074571
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074571) never changes.
Identity and time
| Publication number | OT-2026-000074571 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717b-7928-b0a3-6a380c83441b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074571 |
| Status | PUBLIC |
Content hashes
| Canonical text | df241a6025bd7f1a85fa8a9ad890769270e1a3f93824e98497842f07cdae5e5d |
|---|---|
| Markdown | 13f0168dec8fec1460f4dae6625547932922d3230d61f93cb11211c335bec9c2 |
| Publication page | 2e85975e303f5616bf1a8fa63d4cc60b621216dbb45f4d8c1c871b09fde51fde |
| Manifest | 06fea5d09ce46de8443e71ae51b277ee5b2bac008c7cb4197636b1a674f5c8fa |
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 | ZYBuQ4rdq/72Pk4+TvIh7LeeCJLcUWJEZ34wxlivQWk9d+P4EAK5G+ALQ3rv2TCmkoC/uR4LAsjyIcPcQB4sBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-28T20:41:40.705330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571observed 2e85975e303f5616bf1a8fa63d4cc60b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T20:41:40.627233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571/manifest.jsonobserved 06fea5d09ce46de8443e71ae51b277ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:40.462597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571/publication.mdobserved 13f0168dec8fec1460f4dae662554793...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:40.388604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571/publication.txtobserved df241a6025bd7f1a85fa8a9ad8907692...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:35.739286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571observed 2e85975e303f5616bf1a8fa63d4cc60b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:35.629026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571/manifest.jsonobserved 06fea5d09ce46de8443e71ae51b277ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:35.531127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571/publication.mdobserved 13f0168dec8fec1460f4dae662554793...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:35.375822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074571/publication.txtobserved df241a6025bd7f1a85fa8a9ad8907692...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 |
|---|