OT-2026-000003160
Publication integrity record
Vacuum manipulation 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-2026-000003160) never changes.
Identity and time
| Publication number | OT-2026-000003160 · never reused |
|---|---|
| Internal UUID | 01a0a696-74a4-7d3e-8344-721fabf87b77 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:41:13.252419Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003160 |
| Status | PUBLIC |
Content hashes
| Canonical text | 574c4b15c7311034f1f512f0b75bdb280803639e6848d6d4ba5322e48802b61e |
|---|---|
| Markdown | 60c45fddef020b408bb815572ab6974061ff90fe8a4dbb4887fd766087222c29 |
| Publication page | 81cec0011d11b01d1b56d54bd59c64a09b21803a7fabd8ebd0bca31cb0b83f82 |
| Manifest | 814d672576d2719b2f70396f310bd51d36e459647e3c6cfb73c8206d7128b768 |
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 | vK/aD9JqW2XNvJAAVs5hqqJs1TIX7VKES43X35LdcOk7SGn8EAY3Fq1INP13CqTrmJAn7USq+NJB0E+nZ/Q+Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-10-28T16:42:10.858099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160observed 81cec0011d11b01d1b56d54bd59c64a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T16:42:10.778793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160/manifest.jsonobserved 814d672576d2719b2f70396f310bd51d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:42:10.592019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160/publication.mdobserved 60c45fddef020b408bb815572ab69740...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:42:10.370255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160/publication.txtobserved 574c4b15c7311034f1f512f0b75bdb28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:42:01.777145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160observed 81cec0011d11b01d1b56d54bd59c64a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:42:01.707507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160/manifest.jsonobserved 814d672576d2719b2f70396f310bd51d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:42:01.621902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160/publication.mdobserved 60c45fddef020b408bb815572ab69740...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:42:01.439273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003160/publication.txtobserved 574c4b15c7311034f1f512f0b75bdb28...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 |
|---|