OT-2026-000053221
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000053221) never changes.
Identity and time
| Publication number | OT-2026-000053221 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a14-777a-9a2c-878f86cb4f35 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053221 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe4c7480717c7f84e4163f662326f23a77d2ec3978b2113e69ae248efb101eae |
|---|---|
| Markdown | ed29b77c6fcf5ebde2fae32ded049b751d10907b75df53525c787a38359b29cd |
| Publication page | 4cfca25a44280cc8e1ee5286473855f8532938cfed28dea0db036c62b0a579fa |
| Manifest | fc93068bb0abb16255f7eddcbc0d1519270588135bc51f99a14e25cc3fd29a24 |
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 | xsOCYxDeeVCD3pWsuI7B8xvFT9oQKFVAoYoBGhXV/YkDzFIyx9OcvD3kd02A5m2L+rvnrHWCbkEeiR692DpABQ== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T08:40:51.226170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053221observed 4cfca25a44280cc8e1ee5286473855f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:40:51.082722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053221/manifest.jsonobserved fc93068bb0abb16255f7eddcbc0d1519...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:51.065621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053221/publication.mdobserved ed29b77c6fcf5ebde2fae32ded049b75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:51.036519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053221/publication.txtobserved fe4c7480717c7f84e4163f662326f23a...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. |
|---|