OT-2026-000009958
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer
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-2026-000009958) never changes.
Identity and time
| Publication number | OT-2026-000009958 · never reused |
|---|---|
| Internal UUID | 01a0ae6b-cb79-76c0-a43c-f6756d8cdc83 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:35.184400Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000009958 |
| Status | PUBLIC |
Content hashes
| Canonical text | d28ff7bbb0558bf673e9c2ebb049d27dfcd8197fc15bc26d8f9450cb1e91692e |
|---|---|
| Markdown | 3bc6230bf4bfcbabe1aefad5a10ef8db1fde3c48437f1c42e7b6a265e4e02577 |
| Publication page | c5bba8b903cec41cae667d7263cf840e63d2c965fef1ae74635455ef8b27737a |
| Manifest | 7f9a3308872b6dd9325466cdd62bcde97e4e55b79c7e10862cd4db75cab09158 |
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 | aCvemq1UIqktgW2JGM2RlMdwITR0UkK+2I0DhTvrcfkOt4ichZWXz6TqB9IGw9dQVXmCV/rEAFTNw8T2XQS7Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-26T04:41:50.004711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958observed c5bba8b903cec41cae667d7263cf840e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T04:41:49.914575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958/manifest.jsonobserved 7f9a3308872b6dd9325466cdd62bcde9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:49.808868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958/publication.mdobserved 3bc6230bf4bfcbabe1aefad5a10ef8db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:49.645545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958/publication.txtobserved d28ff7bbb0558bf673e9c2ebb049d27d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:32.033688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958observed c5bba8b903cec41cae667d7263cf840e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:31.936793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958/manifest.jsonobserved 7f9a3308872b6dd9325466cdd62bcde9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:31.835132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958/publication.mdobserved 3bc6230bf4bfcbabe1aefad5a10ef8db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:31.577389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009958/publication.txtobserved d28ff7bbb0558bf673e9c2ebb049d27d...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 |
|---|