OT-2026-000087954
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000087954) never changes.
Identity and time
| Publication number | OT-2026-000087954 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7c37-9e07-7015379f9bf8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087954 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c3d1ff47b414dc5d281bbc168c264b7fa35cff19555b21b88a0455cceed453b |
|---|---|
| Markdown | a63baae682feff847cabb99afa9b0755da38d87e524855679e669f1a33fa76b7 |
| Publication page | 545830fc80c6995262f4ae8b4346853b0afe5092a9aa559d6f4403dcc08c3234 |
| Manifest | bcfe89ab93d6eaa71341b459c56bdbed2927b260ede10da1294a2b186a091012 |
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 | ys1fO16ShRFX+7PCgiwbaeJxEK768UWFQmyV7Gd0Yd0i18JN2/t8jFirGk+gmpp+IYygKH8EQAXYNNl+amb6Cg== |
| 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
| 2026-09-17T09:49:14.693314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087954observed 545830fc80c6995262f4ae8b4346853b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:14.677478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087954/manifest.jsonobserved bcfe89ab93d6eaa71341b459c56bdbed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:14.660438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087954/publication.mdobserved a63baae682feff847cabb99afa9b0755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:14.641541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087954/publication.txtobserved 8c3d1ff47b414dc5d281bbc168c264b7...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. |
|---|