OT-2026-000058028
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000058028) never changes.
Identity and time
| Publication number | OT-2026-000058028 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6eda-767c-ab8f-b4a9ab8aa4ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000058028 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12937a290ad62acecc3d5334cba25e4983e57d4762282aad8bf7c5a080f831f1 |
|---|---|
| Markdown | 169a71f08aa0dbd072bd75d4483693785151cea2b6b94c49fd99bb9c42193808 |
| Publication page | 34086cd3dd2da721902b262302662a5046f2eb015ad84eb11f468a48d9c151ec |
| Manifest | c072a0bb22583ff07f38cf7358902ac08dce06bab2e828149e9feb73177cec3c |
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 | a0ljjWX0UASwaIWkvE6Cg0XN8uRChr/FyFB9g3aZBbiKxAkpHEmDiDcrqQYOYVMoTuv9/23/w05y0gcwsFjtAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:40.301518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058028observed 34086cd3dd2da721902b262302662a50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:40.281723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058028/manifest.jsonobserved c072a0bb22583ff07f38cf7358902ac0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:40.262581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058028/publication.mdobserved 169a71f08aa0dbd072bd75d448369378...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:40.242778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058028/publication.txtobserved 12937a290ad62acecc3d5334cba25e49...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. |
|---|