OT-2026-000003378
Publication integrity record
Vacuum cup control 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-2026-000003378) never changes.
Identity and time
| Publication number | OT-2026-000003378 · never reused |
|---|---|
| Internal UUID | 01a0a6b9-066c-7d13-8b2f-89865305e29f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:18:58.796662Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003378 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02fbf7748fe2bc1d4a45bd2d46202b3ab34c636857597b4f77116d50372b7ad4 |
|---|---|
| Markdown | 3748c36608c3320bd4327ec5588181dda0de382c6a7fa8306a4effd9c7a69e4e |
| Publication page | 17f2875a853e9344acaf1dcd79caf459added4e7f4ac7e841c3a8da68011976b |
| Manifest | eb6bd7eb0a1f72b328b1cee1ed24c74a374ae8c2191c5c18b13c52b7d2b6992f |
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 | mWV1qU0rNIGy9Z2/+U0uB50FcFDDzPRzKlWrDPgTDJvCgTTFCvrOSvW7BCRibHXHxhibIU9VbYbas6yksVtLBQ== |
| 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
| 2026-09-15T20:43:55.240725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003378observed 17f2875a853e9344acaf1dcd79caf459...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:43:54.752062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003378/manifest.jsonobserved eb6bd7eb0a1f72b328b1cee1ed24c74a...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:54.534874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003378/publication.txtobserved 02fbf7748fe2bc1d4a45bd2d46202b3a...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:03.462601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003378observed 17f2875a853e9344acaf1dcd79caf459...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:03.432297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003378/manifest.jsonobserved eb6bd7eb0a1f72b328b1cee1ed24c74a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:03.420479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003378/publication.txtobserved 02fbf7748fe2bc1d4a45bd2d46202b3a...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 |
|---|