OT-2026-000001758
Publication integrity record
Ring seal removal tool having integrated measurement device
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-2026-000001758) never changes.
Identity and time
| Publication number | OT-2026-000001758 · never reused |
|---|---|
| Internal UUID | 01a0a678-8042-734a-8bf2-adca371554e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:08:30.146681Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001758 |
| Status | PUBLIC |
Content hashes
| Canonical text | 524296b7b381766542de0b2dac523600e6b3de283054fb237082703fd2826bee |
|---|---|
| Markdown | 0fa73ffa9f4ae84e9e5cc0c6620062ee36854109c073e6877fd4b0d7873579af |
| Publication page | ac8d3525cc17d203e4871466177cc55d12bb0cd2f878cb8d6bce78b7d9b84ee0 |
| Manifest | bfcf60c9f6be5a72b14c12b73b36e1fb20269228f994f2dcac3bcb1829f9b533 |
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 | kGHrS3226NTj8zGmBxiS8uKviNT9vHm/ipE45+4hlbCcwEd0wRsH/+PbZy7cWstIHiDS6/AQVQrIUsAsFb0hDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-19T04:41:50.932142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758observed ac8d3525cc17d203e4871466177cc55d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T04:41:50.885771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758/manifest.jsonobserved bfcf60c9f6be5a72b14c12b73b36e1fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:50.826626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758/publication.mdobserved 0fa73ffa9f4ae84e9e5cc0c6620062ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:50.694111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758/publication.txtobserved 524296b7b381766542de0b2dac523600...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:01.922374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758observed ac8d3525cc17d203e4871466177cc55d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:01.905507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758/manifest.jsonobserved bfcf60c9f6be5a72b14c12b73b36e1fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:01.891268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758/publication.mdobserved 0fa73ffa9f4ae84e9e5cc0c6620062ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:01.803634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001758/publication.txtobserved 524296b7b381766542de0b2dac523600...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|