OT-2026-000072887
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000072887) never changes.
Identity and time
| Publication number | OT-2026-000072887 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89db-7ebe-b1b5-7c1d57c609f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3753469135d83e627839f2f131058409db1a32fe779d57c3557ba82344f4f430 |
|---|---|
| Markdown | 2c27a1e618b0226b9298c497b601ff4ccdff3da4dc2e8a6e9a378071e294c851 |
| Publication page | f0713540975bc74cd4312b6986e5378a4d40768026a1d12987101231a7c994d5 |
| Manifest | 177d37e96c3653597e107b9a5223c43c34a0a8c3eeb74640d1d6aee8651d7fd1 |
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 | JmY/PqMe9DPUYEwFPhKeSlIkgxU3S3bV5VM+Al45NjMwd2eXb5HjdZbvzAoTczBo5lDWvkHcax2al0HLBuMnAA== |
| 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
| 2026-09-17T10:22:48.997739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072887observed f0713540975bc74cd4312b6986e5378a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:48.982670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072887/manifest.jsonobserved 177d37e96c3653597e107b9a5223c43c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:48.965757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072887/publication.mdobserved 2c27a1e618b0226b9298c497b601ff4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:48.948363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072887/publication.txtobserved 3753469135d83e627839f2f131058409...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. |
|---|