OT-2026-000007272
Publication integrity record
Vacuum cup gripper, pump fed, pressure verified, silicone cups, flat form, 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-2026-000007272) never changes.
Identity and time
| Publication number | OT-2026-000007272 · never reused |
|---|---|
| Internal UUID | 01a0a978-dca9-7495-bd8e-33b97d74390a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:07:45.452871Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007272 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee44bfde4bacd61c1e40608de99134233d2a967597bf9bcdbb5606f7079e1257 |
|---|---|
| Markdown | 05fcaeec1517d9c89d5f51475c544eb9892296928855b6d9a8b8a638c9ac8641 |
| Publication page | 1a0dcab4fdd250d25d5323eb1322c30feef64976bd127a88731c142877a39f9c |
| Manifest | 9828e0bf3cd61cf8556df09122a2cfecc50539403c602182f53b2cdd674a2a4c |
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 | BwOH1fillK1x6GY1ppHFz4qd5LcexKm2cJMuabpzUM+SycccvIwEwzxnysXgwr0sK4h9+sLOkstn5OS0537yBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:10:09.205833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007272observed 1a0dcab4fdd250d25d5323eb1322c30f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:09.193858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007272/manifest.jsonobserved 9828e0bf3cd61cf8556df09122a2cfec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:09.181248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007272/publication.mdobserved 05fcaeec1517d9c89d5f51475c544eb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:09.168328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007272/publication.txtobserved ee44bfde4bacd61c1e40608de9913423...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. |
|---|