OT-2026-000087643
Publication integrity record
Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087643) never changes.
Identity and time
| Publication number | OT-2026-000087643 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd53-7dd2-a073-2660b1386e59 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087643 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc46359e76468ff11863bb7187037f760eac5cb3e8447dde502661a3f9d9e535 |
|---|---|
| Markdown | c64fffd7ef1c55064a4ce1476e98a22553919cb5e8f2a1b04d75ebc94443b9cf |
| Publication page | d8e7b104dd681060ed4af15ecc71b45e7b4771ce1b03e2cde16af9df9e947105 |
| Manifest | 19bb1387cca1158ee2f187532c33d11a2ee6b68c6b88479ea0337fe9c8354c2d |
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 | 2MNLDQqIkwPlFdFfUJ2y99zVemLkxO1bh4Fa4KAHVcY2smevtVOcwmYrj1dycE/zI6ZNw17n0RDlSB/nPrNSAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:51:05.341930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087643observed d8e7b104dd681060ed4af15ecc71b45e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:51:05.325419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087643/manifest.jsonobserved 19bb1387cca1158ee2f187532c33d11a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:05.308736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087643/publication.mdobserved c64fffd7ef1c55064a4ce1476e98a225...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:05.292910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087643/publication.txtobserved cc46359e76468ff11863bb7187037f76...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. |
|---|