OT-2026-000043478
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000043478) never changes.
Identity and time
| Publication number | OT-2026-000043478 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92ce-7dbb-aa9f-44a9bce831df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043478 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad1ae47ee66c8a89fc491fc75bf89f36e31ea40f5ced183877a56826c801d95c |
|---|---|
| Markdown | a1d88a8771901cd517c830b81af963d1af35478ca873d5aec37e5661abc4b519 |
| Publication page | fb3cfbadf6c0f92ea24a8d40ccf13103714e95c149145a48492912ab5da466ea |
| Manifest | 226f4d637c9ee75f5164fe9f3b3d7b67541c58e09c0f8273f4d74afddbd11f49 |
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 | 5wzIOgvth6umvFMN3NfhBnES9pyd3nWN4xfWRaIj8tzEskhZcweh9JW71exhKn6JGCdkv7clfEG4+DJOw4O+Ag== |
| 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
| 2026-09-17T11:12:50.180048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043478observed fb3cfbadf6c0f92ea24a8d40ccf13103...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:12:50.159527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043478/manifest.jsonobserved 226f4d637c9ee75f5164fe9f3b3d7b67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:50.139207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043478/publication.mdobserved a1d88a8771901cd517c830b81af963d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:50.115835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043478/publication.txtobserved ad1ae47ee66c8a89fc491fc75bf89f36...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. |
|---|