OT-2026-000003418
Publication integrity record
Vacuum lifting apparatus
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-2026-000003418) never changes.
Identity and time
| Publication number | OT-2026-000003418 · never reused |
|---|---|
| Internal UUID | 01a0a6be-e2fc-70db-9b04-964d1564dde4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:25:22.940628Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003418 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0514b9284fdbb6916079dd9fd29536bdcb6744b4343519a18c00534fcf545472 |
|---|---|
| Markdown | fff861dfc4c5ac41abd341d26677d4d05811775605f118d120988b4bc7c57131 |
| Publication page | 84c4e936c8e64b20917019f59d2f9f3ac0c2c7f60c2f4224d5524a640ba9ff94 |
| Manifest | 41129fe8c578a60d39a7693fd84b4bd31fbb7f97ea44e0d5e38f29f6774786d0 |
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 | SlhP5WJplJTArpjJUFoC6czVP9yi+//5nD8/ibLuHRcF/6xgWD+2wMkP6WnrFdIioZJK9spUzu/R5UGe5257Dg== |
| 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
| 2026-09-16T20:41:19.838841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418observed 84c4e936c8e64b20917019f59d2f9f3a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:41:19.701593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418/manifest.jsonobserved 41129fe8c578a60d39a7693fd84b4bd3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:19.571113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418/publication.mdobserved fff861dfc4c5ac41abd341d26677d4d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:19.396046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418/publication.txtobserved 0514b9284fdbb6916079dd9fd29536bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:21.758768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418observed 84c4e936c8e64b20917019f59d2f9f3a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:21.528307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418/manifest.jsonobserved 41129fe8c578a60d39a7693fd84b4bd3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:21.334002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418/publication.mdobserved fff861dfc4c5ac41abd341d26677d4d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:21.170679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003418/publication.txtobserved 0514b9284fdbb6916079dd9fd29536bd...fetched by grabo-systems from 34.44.131.203, 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 |
|---|