OT-2026-000021408
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000021408) never changes.
Identity and time
| Publication number | OT-2026-000021408 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-73a8-a5cc-45264207dc78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021408 |
| Status | PUBLIC |
Content hashes
| Canonical text | e90c0e256def87d44b547dd05c1037504f977c7c2aa3ba7f2b6e9918825af4d6 |
|---|---|
| Markdown | d5e7f087e6d359c7512ef0e3106b800043d9b071182bad8023d75f266719dc1c |
| Publication page | f3e13e2b31b19851f98bd9b0044bb90518f1464a4c41fdbea5b27a73d1a842a0 |
| Manifest | a8d69be9884e039e5535512029f142d7dd68d3bbe1ba9fbd50c151c8df9e7732 |
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 | bSsQBA4O6pcxObk3QG2D2ffg+rBKDkDfyAAoYgYq265na5jKxtKLj9DM0xnAJ+Pnjc9kjKayoM5rXCxlU4hdAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:18.330598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021408observed f3e13e2b31b19851f98bd9b0044bb905...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:18.308215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021408/manifest.jsonobserved a8d69be9884e039e5535512029f142d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.286990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021408/publication.mdobserved d5e7f087e6d359c7512ef0e3106b8000...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.264980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021408/publication.txtobserved e90c0e256def87d44b547dd05c103750...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. |
|---|