OT-2026-000028161
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000028161) never changes.
Identity and time
| Publication number | OT-2026-000028161 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7fc9-824d-0f98d0576639 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028161 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1628c6339da956e9d54635a32ec9c2e2a0a394af9aecd6913d31ba8169f9976a |
|---|---|
| Markdown | 1f2aeb7da46540ced735e2931226f5bf69655d981d0d85a60ce9d93088b9280e |
| Publication page | c0e21f629525d2c6e8e719a5c701d4ef814c49b1d57991a36addea42ffb4c8b2 |
| Manifest | 757c039437e45df4bc11f6a25e4b05dbe755d2a33a3d6e2a21da569abf44fecc |
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 | xyJf18XcqRtGKBccAZbdzJhLF9euLdAV8Xgt5OKUkcVGTPkLo3GvfbWYmRdl/l6OC/AnQ+jYVoxmjpoHICTUAQ== |
| 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
| 2026-09-17T11:42:30.878885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028161observed c0e21f629525d2c6e8e719a5c701d4ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:30.861293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028161/manifest.jsonobserved 757c039437e45df4bc11f6a25e4b05db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.843356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028161/publication.mdobserved 1f2aeb7da46540ced735e2931226f5bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.825920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028161/publication.txtobserved 1628c6339da956e9d54635a32ec9c2e2...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. |
|---|