OT-2026-000030948
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000030948) never changes.
Identity and time
| Publication number | OT-2026-000030948 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-7482-91a1-c2459425aa93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030948 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef2c9fe6fffcb87a57846a77c5b5dfd24e2ea7b7327b6cbcb9c3715168a13bb4 |
|---|---|
| Markdown | c5bd3fac51066d8992c4fe51fe15848f3574c7b1b9e2a046123f77ee40f9085a |
| Publication page | d37e1c5b176fd1d092f45d4c7606f50eb576266358a519b6c08ce480c297adac |
| Manifest | bad87529b9d19234eedc09fe4dcf078c06000434505799bb64fe1cfaa70470d2 |
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 | jbwWvL97YoCVkktduUCv6+mG9wdc/rFUc/MWOy+QWZFMydSK3MbDxvFKKo3wSA1bBlQjRV2FwFkwUskYnwYQBQ== |
| 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
| 2026-10-28T04:41:48.083817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948observed d37e1c5b176fd1d092f45d4c7606f50e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:41:48.011892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948/manifest.jsonobserved bad87529b9d19234eedc09fe4dcf078c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:47.927300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948/publication.mdobserved c5bd3fac51066d8992c4fe51fe15848f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:47.855103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948/publication.txtobserved ef2c9fe6fffcb87a57846a77c5b5dfd2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:54.037486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948observed d37e1c5b176fd1d092f45d4c7606f50e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:53.853523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948/manifest.jsonobserved bad87529b9d19234eedc09fe4dcf078c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:53.610252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948/publication.mdobserved c5bd3fac51066d8992c4fe51fe15848f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:53.378718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030948/publication.txtobserved ef2c9fe6fffcb87a57846a77c5b5dfd2...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 |
|---|