OT-2026-000020143
Publication integrity record
Four cup vacuum gripper, four zone face, three stage ejector, pulsed blow-off 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-2026-000020143) never changes.
Identity and time
| Publication number | OT-2026-000020143 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-777a-b5d7-3ef22aa61832 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020143 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd62e2182759371f69495854082ccb6eea57412499d06f45e7a315da2720c07e |
|---|---|
| Markdown | af54b0a9b3f7c39ca1437792a58223e5c37bba9f09c7f0548a40f4e1649a45da |
| Publication page | 49c891bbbb863a32453498726b183e2d5bcdf9b827214d13f7644b25c1cb1842 |
| Manifest | 5757d4bda8f7631bbb43a18a3951b83834d8c7fb59f45a3487e9103153c1cd94 |
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 | nGrrDdgbdMabpmtkK6T5PDfqO0RYHRFDSqF4eBqoTQEF5SjdrzS4OxE4jS6S9NzPynLPnrGGUp577fS7IWpqCA== |
| 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
| 2026-09-17T11:56:27.337692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020143observed 49c891bbbb863a32453498726b183e2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:27.317005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020143/manifest.jsonobserved 5757d4bda8f7631bbb43a18a3951b838...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:27.296795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020143/publication.mdobserved af54b0a9b3f7c39ca1437792a58223e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:27.277502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020143/publication.txtobserved dd62e2182759371f69495854082ccb6e...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. |
|---|