OT-2026-000091157
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000091157) never changes.
Identity and time
| Publication number | OT-2026-000091157 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-7599-8580-5c7332a5f64b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091157 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8541aeb47fd825c8a4f10470b37251e9f53c115317d074bb1b593a34d69a57ac |
|---|---|
| Markdown | 8e802e2ef22651ebc03f8f490f42db1267a121f85708e1f13305f788f9ec7cea |
| Publication page | efd0b78f34639c69c7aaa22c18bcdd694cf16de43054b65794839a6d18d04ffb |
| Manifest | 7ff0b452d8fa590a890250dd3f54a7304b82c7ca8e8e5f9266adc42c02c7df3d |
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 | vh8TNf+cPJhw5wpWQ+Df2vVtfSJBI66dHw5wUhuSRB29i0sQpAhiw+9Vv/o4cR+wae/QA1S+O7uWyFqdeRCmCw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T09:43:18.651307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091157observed efd0b78f34639c69c7aaa22c18bcdd69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:18.634665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091157/manifest.jsonobserved 7ff0b452d8fa590a890250dd3f54a730...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.618761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091157/publication.mdobserved 8e802e2ef22651ebc03f8f490f42db12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.602529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091157/publication.txtobserved 8541aeb47fd825c8a4f10470b37251e9...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. |
|---|