OT-2026-000006446
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, pump fed, pressure verified, vented after set down
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-2026-000006446) never changes.
Identity and time
| Publication number | OT-2026-000006446 · never reused |
|---|---|
| Internal UUID | 01a0a95b-86a8-7ae8-b0f6-6db0ece6de4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:35:42.891623Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006446 |
| Status | PUBLIC |
Content hashes
| Canonical text | e774bd9d8e15beb5cc649fa4cd40b6859c5bfab1e41a0a195b38560c0f3a8fc1 |
|---|---|
| Markdown | 559aec283dba7810d77a26057b62cfcee657e9027c1aecdf2e35e82d537dfdef |
| Publication page | 4fe5f07f3d7b5fbf1d377452c51ed9298225bcaea24426688b0f1bcbaee207c8 |
| Manifest | 27a353722dd2cd4ccc7af8fd1afc96e7891b0162da500e199d70282863f127aa |
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 | 8LKKake/29Df1gTiQrE6So12aJeoCraTAtazm6kKXsqPYqvEa/IZASbEY5nlfsKoxd7GAC33hHDa+CBJNWl8Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T20:42:23.974166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446observed 4fe5f07f3d7b5fbf1d377452c51ed929...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:42:23.674069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446/manifest.jsonobserved 27a353722dd2cd4ccc7af8fd1afc96e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:23.375716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446/publication.mdobserved 559aec283dba7810d77a26057b62cfce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:23.090317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446/publication.txtobserved e774bd9d8e15beb5cc649fa4cd40b685...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:16.661643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446observed 4fe5f07f3d7b5fbf1d377452c51ed929...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:16.649770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446/manifest.jsonobserved 27a353722dd2cd4ccc7af8fd1afc96e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:16.636555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446/publication.mdobserved 559aec283dba7810d77a26057b62cfce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:16.496727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006446/publication.txtobserved e774bd9d8e15beb5cc649fa4cd40b685...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
| Custody package | Pending Custody packages are produced weekly. |
|---|