OT-2026-000028756
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000028756) never changes.
Identity and time
| Publication number | OT-2026-000028756 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-75d7-91cb-08364393d562 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028756 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7021c91e42e00e4cf56d1d87d0f7202c357710ae003afc7eb6b33d8b343e3425 |
|---|---|
| Markdown | cf90986070ca0226cd7cc709c081b7416ab0ce9260b7a7992e7bb37bc9ea0fe3 |
| Publication page | a5b8aabb5674bb50340209e32d8e6edc949d52db46befe44fc5ed031e138086e |
| Manifest | 73c4c56ec1175bee88f6f0626f21886d8436d63311100a1ebefac8279040336f |
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 | PgzqE4YskaNsucMeG8WGqmdPCwrwTyxvRNlBZrD7+bSCRv382bT/jd2Ea/6ayIKGi3lKZRNc2M8ggEPpLjluDQ== |
| 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
| 2026-09-17T11:39:58.483973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028756observed a5b8aabb5674bb50340209e32d8e6edc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.464429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028756/manifest.jsonobserved 73c4c56ec1175bee88f6f0626f21886d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.446043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028756/publication.mdobserved cf90986070ca0226cd7cc709c081b741...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.426904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028756/publication.txtobserved 7021c91e42e00e4cf56d1d87d0f7202c...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. |
|---|