OT-2026-000078956
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000078956) never changes.
Identity and time
| Publication number | OT-2026-000078956 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-7642-80f6-fc6a64e07ce0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078956 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72531227b8fb5ad611130340864d765508a4f13ad2afc1bb9584fc8c4d81e9dd |
|---|---|
| Markdown | 93783cde649eeb0fed994fc70e27696701131c7dc60e4de53324fe47545d79f8 |
| Publication page | 5891bc4bf48caa01912d18e56769cb3f032f3c3158cca7455e477ecce4a8f00d |
| Manifest | 2ef113def21141ec50443cce3af0ec9f66ff8050c4d056af6455cb80e72293fb |
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 | GLcDNNsGNd96TZR1DNHTixbqPPsG7gqHXV9hlu2bkJn7LuBgdyTMglHWl4XP3CIr9iwHmSSkGQXQ8nZeNPeBCw== |
| 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
| 2026-09-17T10:05:46.899926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078956observed 5891bc4bf48caa01912d18e56769cb3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:46.881931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078956/manifest.jsonobserved 2ef113def21141ec50443cce3af0ec9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.863277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078956/publication.mdobserved 93783cde649eeb0fed994fc70e276967...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.843102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078956/publication.txtobserved 72531227b8fb5ad611130340864d7655...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. |
|---|