OT-2026-000090315
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090315) never changes.
Identity and time
| Publication number | OT-2026-000090315 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-7881-9a49-712547bfbbc9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090315 |
| Status | PUBLIC |
Content hashes
| Canonical text | 056a78eb84e540c8c9db053dc41deb5199947d0f1b7b4358a11a9c5f07b6e6c9 |
|---|---|
| Markdown | 4792aeca187abaeb4026f5620b1c0f3835854efb95b8c50db0b2250a2aae4960 |
| Publication page | 43372f35719bb56f4737ec588719607b78092a0cf646a630427cc2f16bdd1324 |
| Manifest | 2abcff3c7fd7f40c13d48c910af79aec1b545c58973fab1826eaec259cabc107 |
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 | Ww5obH2LeE54Xcbcja4tz6fupKbz+/vqnlFvfWiyhzOiuVh8UjGqLlYihLOp/W9N20hz5/+Lh+c/AITXH67/Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:23.959306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090315observed 43372f35719bb56f4737ec588719607b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:23.941682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090315/manifest.jsonobserved 2abcff3c7fd7f40c13d48c910af79aec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.925287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090315/publication.mdobserved 4792aeca187abaeb4026f5620b1c0f38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.907904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090315/publication.txtobserved 056a78eb84e540c8c9db053dc41deb51...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. |
|---|