OT-2026-000003390
Publication integrity record
Self aligning vacuum nozzle
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-2026-000003390) never changes.
Identity and time
| Publication number | OT-2026-000003390 · never reused |
|---|---|
| Internal UUID | 01a0a6ba-6f17-7f02-9b3b-e9f6d9bcce10 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:20:31.128258Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003390 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee7ef89215007cfffc5359ff46740e062f742eba3f06ee32359c937361159497 |
|---|---|
| Markdown | 578b9453926d8f5644475e63f2710780e27d2e8b536749beee1e93d82d00014d |
| Publication page | 7bb136646e8bb1a8932e5efe3631fca7f02906d806ae0bb6beb7a34e377e162a |
| Manifest | e266e16407d301a0fea5acfe2011b60b492a255a0c6dedc2474d399c921265ad |
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 | VVPCGhYCpCUpFkRY4aLdAwlI5dHK2SfFcov77qo1l2RyjoRwGmgITHG4XrPVMi8nqRGPt//WYdy/u2akRb/FDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-17T04:23:18.517666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390observed 7bb136646e8bb1a8932e5efe3631fca7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:18.503208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390/manifest.jsonobserved e266e16407d301a0fea5acfe2011b60b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:18.488807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390/publication.mdobserved 578b9453926d8f5644475e63f2710780...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:18.429877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390/publication.txtobserved ee7ef89215007cfffc5359ff46740e06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:11.109749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390observed 7bb136646e8bb1a8932e5efe3631fca7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:10.955002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390/manifest.jsonobserved e266e16407d301a0fea5acfe2011b60b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:10.942475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003390/publication.txtobserved ee7ef89215007cfffc5359ff46740e06...fetched by instance-3.rotem.ai from 127.0.0.1, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|