OT-2026-000021927
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off before set-down
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-2026-000021927) never changes.
Identity and time
| Publication number | OT-2026-000021927 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-754a-9976-6b3e96dc2b95 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021927 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c05f91fe45e0e3fef1e073d1bf8e5c42cf9070de5322bebd3fdf0d84c205f5a |
|---|---|
| Markdown | ae7b89e00f8fa3f57b0c3a41e63aa68811c7682540fcd4cd220c3854a03884f3 |
| Publication page | a2035f24e219b6c4fc8ca3752db62c3e1eda014feb77fd1589b7ed401ba3a120 |
| Manifest | 6b26ba6d100b4e112df146d2fa8f0428e9f3ae81c32451fb79b2177ad6de0923 |
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 | AU5sGnnQCmwxVdc6YwwbXh58aRF0bh4vbx5RND9NBFYf9SYGm5nfUxiCDmTuVYi24r8VaVvKmsZs/l2taIu8Bg== |
| 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
| 2026-09-17T11:54:30.245357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021927observed a2035f24e219b6c4fc8ca3752db62c3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:30.225877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021927/manifest.jsonobserved 6b26ba6d100b4e112df146d2fa8f0428...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:30.207170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021927/publication.mdobserved ae7b89e00f8fa3f57b0c3a41e63aa688...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:30.188423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021927/publication.txtobserved 8c05f91fe45e0e3fef1e073d1bf8e5c4...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. |
|---|