OT-2026-000028424
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000028424) never changes.
Identity and time
| Publication number | OT-2026-000028424 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-73dc-83c1-ee0fb36a33d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028424 |
| Status | PUBLIC |
Content hashes
| Canonical text | 800de39731654448b09e360bae534748f23d60cee50d54e49dcfe2af95a4f0d2 |
|---|---|
| Markdown | 1657b107f94ce0534bfd35c93306e1a5251ba28fb50ae72b573b4e1ad00bb9b2 |
| Publication page | 624ce3387b511db3e5218c69a2b405d1eeae9790708a8ffb588d0d74c481fc7a |
| Manifest | f273489d8afb806f8e3787e64ee3a07430250e61e8fad2d0a0f7b4d6eff45557 |
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 | dFWnETx0UM92S3VVmuge+Ard10hn/lfxFFDNG+1/eEgEDdIegld9FcbJimUiT2VHwNZOiwMUb7EllI2OrTs9Dg== |
| 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
| 2026-09-17T11:40:33.406791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028424observed 624ce3387b511db3e5218c69a2b405d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:33.390311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028424/manifest.jsonobserved f273489d8afb806f8e3787e64ee3a074...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.369910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028424/publication.mdobserved 1657b107f94ce0534bfd35c93306e1a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.351162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028424/publication.txtobserved 800de39731654448b09e360bae534748...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. |
|---|