OT-2026-000090973
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000090973) never changes.
Identity and time
| Publication number | OT-2026-000090973 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-701d-89e3-ccdb0088971a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090973 |
| Status | PUBLIC |
Content hashes
| Canonical text | 221416f4b6948d31faa269a777e13c748f7208974ac10de3f3f378fb0b14f554 |
|---|---|
| Markdown | 627cd06b972f9560b389473b2eedac29ef892857f9d6ecbfb74a51278b1c4b7d |
| Publication page | 104183a9a3dc4b4e7fa0ac952f5a417e26ca5663ca45f254d452855d3209407f |
| Manifest | cb96f913a95ccd193f199ab2125c6dd8a0d3217172cdc6cfdf2e997c1d48b589 |
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 | SCiqbu/KGUeJOfZnDk4AodeX0JqlPZpFFXYqv6bYFwpeUK0pWRLQh/Oa98i/nA6Y0jO+6PQemt7Um9mbutImCQ== |
| 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
| 2026-09-17T09:44:11.872615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090973observed 104183a9a3dc4b4e7fa0ac952f5a417e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:11.854021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090973/manifest.jsonobserved cb96f913a95ccd193f199ab2125c6dd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:11.835904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090973/publication.mdobserved 627cd06b972f9560b389473b2eedac29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:11.816280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090973/publication.txtobserved 221416f4b6948d31faa269a777e13c74...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
| Custody package | Pending Custody packages are produced weekly. |
|---|