OT-2026-000104220
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000104220) never changes.
Identity and time
| Publication number | OT-2026-000104220 · never reused |
|---|---|
| Internal UUID | 01a0aea5-3420-7ecc-9fa3-bd819feaff6a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:17.519068Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000104220 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1c7cc3be250c13e86c14cb9142530474aba89466ea9fc63722dc0bebb1df74c |
|---|---|
| Markdown | 99efc63abc2637b8cd8fae6b2ba30b5ac3e7bec9353428b13617c668c9b0d36d |
| Publication page | 04638521559b526c34e9bccebf1a9451fb0c31626b0306a3b290228d77f6b8cd |
| Manifest | eaa1ec0f9f50034964dbc78f75731b7ecb3911940f5d1eb8743561491d12fb12 |
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 | zqPIhqjp7f01ao+GWStUguelrxtBsYgnaSakK8pKI+DepCwJFCkOwYjJgcmE/Pno/0iNZDYEgwsV1a0eGt4CDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:20:19.435081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104220observed 04638521559b526c34e9bccebf1a9451...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:20:19.417310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104220/manifest.jsonobserved eaa1ec0f9f50034964dbc78f75731b7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:20:19.399946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104220/publication.mdobserved 99efc63abc2637b8cd8fae6b2ba30b5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:20:19.381379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104220/publication.txtobserved f1c7cc3be250c13e86c14cb914253047...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. |
|---|