OT-2026-000055964
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000055964) never changes.
Identity and time
| Publication number | OT-2026-000055964 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7fca-a2d5-7953c04267ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055964 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9e769c89dbe8b5a658f24736bd562f83310820af45e0f9601ae349e524dfefa |
|---|---|
| Markdown | a504abfb49f397961e383d5caa7ef9b1470df5732216e0a7f8e7589f7c94ecf0 |
| Publication page | a215977d62743caff3a09c165fb9af8cae03cbf5715884cfc379d1e03a105e54 |
| Manifest | 50ed8d09f16a92cc00becc5dddd5b94794b64f5adde8c776254f1e215a99f68d |
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 | elG9wfT7QOLMVvcL1lxuRxO9rSZOckwSGp6elU3Q2e6FZPSuVG9xZKoHLHpKZOTgLuxH3xKtO+zg3Hlju+PzCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:29.159859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055964observed a215977d62743caff3a09c165fb9af8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:29.142606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055964/manifest.jsonobserved 50ed8d09f16a92cc00becc5dddd5b947...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:29.124880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055964/publication.mdobserved a504abfb49f397961e383d5caa7ef9b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:29.105699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055964/publication.txtobserved a9e769c89dbe8b5a658f24736bd562f8...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. |
|---|