OT-2026-000031100
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000031100) never changes.
Identity and time
| Publication number | OT-2026-000031100 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb8-7adb-bfde-37e76ba5cd8c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031100 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91403295062b679a17c464790f6e12c76f25f4470a8e56ea9aab90844a7c6045 |
|---|---|
| Markdown | 71bbc57c2862811d7e156a5c6ee86819c4833b701a6ccef124e89b6821119c26 |
| Publication page | 56d28630c216f0568400f430578e832a60757519b1404c46fb3afc1d14f856d8 |
| Manifest | 4d54ec69d7f238a592af2a191a8c4beb9e4595faa392271e89d1a0ce2b33b789 |
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 | EGBrlJS9TfmLReO5mfaf0XdHWlOM5nGaT+/h3sbEmvtnJTXc3UNlz7bnrXWP6SSrb7b4bFR6JyskwsVWEHm9DQ== |
| 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
| 2026-09-17T11:40:19.615291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100observed 56d28630c216f0568400f430578e832a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:19.597019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100/manifest.jsonobserved 4d54ec69d7f238a592af2a191a8c4beb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.570843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100/publication.mdobserved 71bbc57c2862811d7e156a5c6ee86819...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.553735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100/publication.txtobserved 91403295062b679a17c464790f6e12c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:41.557765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100observed 56d28630c216f0568400f430578e832a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:41.541440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100/manifest.jsonobserved 4d54ec69d7f238a592af2a191a8c4beb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:41.523424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100/publication.mdobserved 71bbc57c2862811d7e156a5c6ee86819...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:41.505969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031100/publication.txtobserved 91403295062b679a17c464790f6e12c7...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. |
|---|