OT-2026-000052170
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000052170) never changes.
Identity and time
| Publication number | OT-2026-000052170 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-7eb8-97f0-e064552d2a97 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052170 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbf48c3d47e7d38ff3466314c2c2e9e6d51f3c0dc1ef980d0b6d9afcf0a87400 |
|---|---|
| Markdown | 0def0ce8b43360d0f4cd42091e46187846d282812f39310273b0f4c221538672 |
| Publication page | 7ebad3f2c478462611858a48674b3328dc661cea40af05f5e725a18b073c5c9b |
| Manifest | 147180ffe570d5afb5293dc9cb8865e53f617ab8b139767ddccd5a704386181d |
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 | 3sdIuqTc1SkLGMsTwJ6SR0pD8oiEDLe0w7BAZDgfPYfaTXs+QXO8U5cqtVlkTqMwqrQH70i01HBW9volcVtjBg== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:43.738549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052170observed 7ebad3f2c478462611858a48674b3328...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:43.721286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052170/manifest.jsonobserved 147180ffe570d5afb5293dc9cb8865e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.703940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052170/publication.mdobserved 0def0ce8b43360d0f4cd42091e461878...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.684114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052170/publication.txtobserved bbf48c3d47e7d38ff3466314c2c2e9e6...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. |
|---|