OT-2026-000077154
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented 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-2026-000077154) never changes.
Identity and time
| Publication number | OT-2026-000077154 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-76b2-9524-226f0eabec9d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077154 |
| Status | PUBLIC |
Content hashes
| Canonical text | d77e6050111a05a2d4eebadeae22b3ede7f58d7499b2c5340bd6f0794df1625e |
|---|---|
| Markdown | e297f3a5325d1db26489523204a45584c8c1a383a327aef72d75b1337022bef2 |
| Publication page | fa871489edbda2e247beebe0c997c6b55167946db78e671fdd64d65abd3fc51b |
| Manifest | c0dad5c31dcec0fbe409cbe54a93d9c8bbe04085637464e0a763c26ee1c52ed8 |
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 | ar4pkRl1F15dphNHJeMnVUKVQht1LmQZNQAZpdXZYl7NybPveuYYie6SnsXT+F4sbQDm3eq+7kMmN3d2h+d7BQ== |
| 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
| 2026-09-17T10:10:55.250569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154observed fa871489edbda2e247beebe0c997c6b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:54.794190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154/manifest.jsonobserved c0dad5c31dcec0fbe409cbe54a93d9c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:54.775921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154/publication.mdobserved e297f3a5325d1db26489523204a45584...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:54.758136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154/publication.txtobserved d77e6050111a05a2d4eebadeae22b3ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.239877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154observed fa871489edbda2e247beebe0c997c6b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.221967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154/manifest.jsonobserved c0dad5c31dcec0fbe409cbe54a93d9c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.201850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154/publication.mdobserved e297f3a5325d1db26489523204a45584...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.183150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077154/publication.txtobserved d77e6050111a05a2d4eebadeae22b3ed...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. |
|---|