OT-2026-000063254
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000063254) never changes.
Identity and time
| Publication number | OT-2026-000063254 · never reused |
|---|---|
| Internal UUID | 01a0ae8c-94ab-778f-911f-ac06a56fad69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:47:23.840289Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000063254 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c308f375c0a341c5a14e5fe5a5989abb93655bb9f1529fabaf894e9c195fa95 |
|---|---|
| Markdown | 8b3d952ca8d4cfc194897b15c43f853a17b6ca78c67fb3a86e1b53216f1e6d4f |
| Publication page | 5bfd74b431d46e344274d990da4c3f6d6983aa64686c17cc0291fb0b5f2678ab |
| Manifest | 0042812a05b6c558eab0d00fe5f8949f8b27ad0f3c5e00b2522d1789ac345c63 |
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 | X3krpGZ80IJ0KDyZ+ZMDlSQOoWJ6TV77o6oImJUNi94GSurgVcuM/6Yls5qxh93ozxMeCBcbpWTQo+xsfKdGAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-16T16:41:34.895100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254observed 5bfd74b431d46e344274d990da4c3f6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T16:41:34.815217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254/manifest.jsonobserved 0042812a05b6c558eab0d00fe5f8949f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:34.735573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254/publication.mdobserved 8b3d952ca8d4cfc194897b15c43f853a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:34.660424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254/publication.txtobserved 2c308f375c0a341c5a14e5fe5a5989ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:10.913554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254observed 5bfd74b431d46e344274d990da4c3f6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:10.835576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254/manifest.jsonobserved 0042812a05b6c558eab0d00fe5f8949f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:10.760453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254/publication.mdobserved 8b3d952ca8d4cfc194897b15c43f853a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:10.633192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000063254/publication.txtobserved 2c308f375c0a341c5a14e5fe5a5989ab...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 |
|---|