OT-2026-000057549
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000057549) never changes.
Identity and time
| Publication number | OT-2026-000057549 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2693-7631-a8bc-aa271ce1c941 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057549 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5af81fdb53f756d78e5772591ec1c9bd79e87391d044fa2a9ba869a50f63efa8 |
|---|---|
| Markdown | b8c3348ee32729ae8ca15134c3e501eb23b7c70410b6c37eb8db25bdebca4deb |
| Publication page | 04e4c753abb3321bc7e5c8bb938f9b65f4b4756807b7870df6ef6423b73a9c3f |
| Manifest | 5b7f9ef01d6bf5d29fb051e91d9b57b0dba98834f0d4cee3023b8b7226c2c769 |
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 | KaqB13SGAMc9zQktPZsLFH7iXb/DDsWWgPx4yu9X3TwseyMj2KlHf8/+h3sM0tW9/k1MhkNTpxmsiro2O/fODg== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:48:05.368876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057549observed 04e4c753abb3321bc7e5c8bb938f9b65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:05.344830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057549/manifest.jsonobserved 5b7f9ef01d6bf5d29fb051e91d9b57b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:05.327922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057549/publication.mdobserved b8c3348ee32729ae8ca15134c3e501eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:05.311657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057549/publication.txtobserved 5af81fdb53f756d78e5772591ec1c9bd...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. |
|---|