OT-2026-000067431
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067431) never changes.
Identity and time
| Publication number | OT-2026-000067431 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-6bd9-79d1-98bc-c76e063a3878 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:29.998864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067431 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5ddc7ed8cb0ea4e812160f00bd86f340347d9c57036f891219409d27a152cf9 |
|---|---|
| Markdown | 740f5604e08e18e22eb07ff31dfb5f5606cadae4bffa2010b82f7efe5fbf8b3b |
| Publication page | e76fb5c1d160cadf1a5a2192572609726758a087498f8b30d88c25c4c01376ac |
| Manifest | 640f72726d29715cfdbfe4362572dc9fa58955f11b631fe490c19ba55250c38d |
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 | vFLEs+PkuAxuopAJPQxEkxe4egv9sPyVQVpe4Z4Oh3oDCvP8XOrjMIAEgYJopvlRa2aCpwPvULid8+s6hsXZBQ== |
| 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
| 2026-09-17T10:31:37.890581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067431observed e76fb5c1d160cadf1a5a219257260972...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:31:37.873961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067431/manifest.jsonobserved 640f72726d29715cfdbfe4362572dc9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:31:37.856634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067431/publication.mdobserved 740f5604e08e18e22eb07ff31dfb5f56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:31:37.838951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067431/publication.txtobserved a5ddc7ed8cb0ea4e812160f00bd86f34...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. |
|---|