OT-2026-000055481
Publication integrity record
Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000055481) never changes.
Identity and time
| Publication number | OT-2026-000055481 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7652-b2d3-9c6ea5f4c73a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055481 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57113f58423d31e4633dce917a6fdbbbe7bf8d93dff1db68fe22b853b346bf08 |
|---|---|
| Markdown | bb0d28305742077e08fddf8d732817f7c909aceb319a6db7c71f1bd673eaa711 |
| Publication page | 2da2621c5c21e4e8498fe8a8a58b53447a6498958c526196891a2325052d649c |
| Manifest | 30e1ee4ec70916dd60d3ef8130b5f7322d6063216c04e5ff92c1a7978efea25b |
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 | tFws21rd5iw5XM/Zw2zoFXbNtjV0v7BgiUllZPXGzxTS26LhWUzjsL7DHW4yA++4SCfA2Foco4SeUgA2UhF7DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:52:08.790121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055481observed 2da2621c5c21e4e8498fe8a8a58b5344...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:08.771684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055481/manifest.jsonobserved 30e1ee4ec70916dd60d3ef8130b5f732...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.752909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055481/publication.mdobserved bb0d28305742077e08fddf8d732817f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.735748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055481/publication.txtobserved 57113f58423d31e4633dce917a6fdbbb...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. |
|---|