OT-2026-000007577
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000007577) never changes.
Identity and time
| Publication number | OT-2026-000007577 · never reused |
|---|---|
| Internal UUID | 01a0ae62-4df8-782f-ae69-9c0a0df9afa6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:01:13.261569Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007577 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccbcc17b623fca37d43465b6848ad4bfb0e53afc4fc0999aa632f13796d19b0c |
|---|---|
| Markdown | 90b985be3b283b2c42c3688f8bd6652a6fb772c22de6dbce5c7505954c29e37a |
| Publication page | ebfcc75c9c7ac150e85d82a72f1d0f4544fd010554d0c0a00401a1502266a1f1 |
| Manifest | b3817074b65428a60c7ac4c5532439873214b6716f4a60daa0ded28a4d813fcc |
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 | vv1SZdVO8EhEc6axprjkXloPpwaKvjxZR5gz3K9jxl4ttXUs+YaaoqvL8CB9Ne+VtOfwL8Fz7+/Zs+Hx6TcdDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:07:02Z batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof root 8d90bf9341d96baa4328c218b6f85281... |
|---|
Independent retrieval
| 2026-10-10T00:41:52.265620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577observed ebfcc75c9c7ac150e85d82a72f1d0f45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T00:41:52.185559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577/manifest.jsonobserved b3817074b65428a60c7ac4c553243987...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:41:52.101723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577/publication.mdobserved 90b985be3b283b2c42c3688f8bd6652a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:41:51.868780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577/publication.txtobserved ccbcc17b623fca37d43465b6848ad4bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:42:13.102102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577observed ebfcc75c9c7ac150e85d82a72f1d0f45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:42:13.019129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577/manifest.jsonobserved b3817074b65428a60c7ac4c553243987...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:42:12.928478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577/publication.mdobserved 90b985be3b283b2c42c3688f8bd6652a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:42:12.851041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007577/publication.txtobserved ccbcc17b623fca37d43465b6848ad4bf...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 |
|---|