OT-2026-000052838
Publication integrity record
Foam pad vacuum gripper, single stage ejector, vented 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-2026-000052838) never changes.
Identity and time
| Publication number | OT-2026-000052838 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7d9e-8a70-ca00aad82f5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052838 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c60d0c20623cb3dd657d9e80889fe227259d05285ca310720888749a6dcbfa1 |
|---|---|
| Markdown | 4bdd946b02670d1d3ea8190ed8f67c53d3e93678eaa0f7ec9aba63d8d0decd92 |
| Publication page | efe3a8fe314e01b4bff166f30cc7322f1006822ca51bb78398f065da2807e4ab |
| Manifest | 4a2a86af32b91cfca1b544cc044113941cd5fbd130e5c968eca405a743645a8c |
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 | g4qe6hsl8dGTZpEL4GFyoaWPePkidklLW5FLxffNo/O3N0fbVjkOkE0FyvEduARctHu4TvDCew0Ikq2dnmdOAA== |
| 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
| 2026-09-17T10:55:52.123194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052838observed efe3a8fe314e01b4bff166f30cc7322f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:52.106651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052838/manifest.jsonobserved 4a2a86af32b91cfca1b544cc04411394...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:52.059814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052838/publication.mdobserved 4bdd946b02670d1d3ea8190ed8f67c53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:52.009023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052838/publication.txtobserved 6c60d0c20623cb3dd657d9e80889fe22...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. |
|---|