OT-2026-000003261
Publication integrity record
Method of and system for electrically processing vacuum pressure information suitable for use in vacuum unit
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-2026-000003261) never changes.
Identity and time
| Publication number | OT-2026-000003261 · never reused |
|---|---|
| Internal UUID | 01a0a6a6-0bb1-752f-a50a-959de7718641 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:58:14.961921Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003261 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b2ed4deedd6dd3bad527959ab13ec5cb863adc34af8f26157a9975ca0e966c5 |
|---|---|
| Markdown | 771b59ae633f0fc16a7987fbcf811b3481a5755d275013e8603483115e829e4b |
| Publication page | 69e5c2fc354a2bd3221a1be6c601650e3d62f4d82f3564fca90c98467f10d6e0 |
| Manifest | 8319d037918bffc1008677e99cda5b273da597303977c4b78b7b601bff7401a2 |
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 | spXJIhvdT/5c5dnNG34kPRb5jyUVGh7KRP3ofJHWxrNgppI7VODrwO98kd0iazVW0UP7uXA77574m6p9eEGrBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-10-23T20:41:47.306230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261observed 69e5c2fc354a2bd3221a1be6c601650e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:47.258241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261/manifest.jsonobserved 8319d037918bffc1008677e99cda5b27...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:47.135695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261/publication.mdobserved 771b59ae633f0fc16a7987fbcf811b34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:47.003287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261/publication.txtobserved 0b2ed4deedd6dd3bad527959ab13ec5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:04.499331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261observed 69e5c2fc354a2bd3221a1be6c601650e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:04.254072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261/manifest.jsonobserved 8319d037918bffc1008677e99cda5b27...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:04.240288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003261/publication.txtobserved 0b2ed4deedd6dd3bad527959ab13ec5c...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 |
|---|