OT-2026-000003245
Publication integrity record
Capacitive pressure transducer structure with a sealed vacuum chamber formed by two bonded silicon wafers
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-2026-000003245) never changes.
Identity and time
| Publication number | OT-2026-000003245 · never reused |
|---|---|
| Internal UUID | 01a0a6a3-e9ce-7653-b211-1532d5e54ca9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:55:55.214942Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003245 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3bf702f82f505d4c999d8c0ecf940cd244acd66efa29103e1c023873edde63e2 |
|---|---|
| Markdown | aff22ed10360e27b5fb6e9d159e653eba407e8f07226496f1f3444d0769534b2 |
| Publication page | 5500076ccf18fe45765a6f63abfc21820758e5edc5c28901e6c88eea0c07159e |
| Manifest | e02a21f16c849ec64967d31f0fdef47cc451283264cd5f61a970310bd64ebe55 |
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 | mkud6Yd5juAnwUUw9ncwdczLgZ5pP9ni34s2Cr136ECnOWq420O7S62lEDk5X2UjtsLVPbCU6H7AZMi5FnzdCA== |
| 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... |
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Independent retrieval
| 2026-09-16T04:23:02.803513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245observed 5500076ccf18fe45765a6f63abfc2182...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:02.788055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245/manifest.jsonobserved e02a21f16c849ec64967d31f0fdef47c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:02.773255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245/publication.mdobserved aff22ed10360e27b5fb6e9d159e653eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:02.743236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245/publication.txtobserved 3bf702f82f505d4c999d8c0ecf940cd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:06.441700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245observed 5500076ccf18fe45765a6f63abfc2182...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:06.408129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245/manifest.jsonobserved e02a21f16c849ec64967d31f0fdef47c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:06.396322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003245/publication.txtobserved 3bf702f82f505d4c999d8c0ecf940cd2...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 |
|---|