OT-2026-000090948
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000090948) never changes.
Identity and time
| Publication number | OT-2026-000090948 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7d97-a92d-f8018cfbdf9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090948 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80efb89c84bf38e18c2385a6b47e85ed0cce44cc89e10fca326c15dd7b12eb4e |
|---|---|
| Markdown | ec2cec278f41dcf05e47454bb52930d4cb3a2d177172d53d33bf52c88fe6b542 |
| Publication page | 8b492d916b022a35b266b5cbe55a6300c58759e4955891732d746635f9e680b7 |
| Manifest | 0b90df6e3c2e29ff0aea15550d5c0845870892aa25e18ce8b729c6de3b13e10a |
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 | LZDC90UZPierPT75Njuf3OEM/sIsvIefFHDS5L8+JbluyO79FdYh2P1I3X5cy3UIRcl4wmpTo0GI9FRlTfR1Cw== |
| 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
| 2026-09-17T09:44:10.097388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090948observed 8b492d916b022a35b266b5cbe55a6300...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:10.080671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090948/manifest.jsonobserved 0b90df6e3c2e29ff0aea15550d5c0845...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:10.064097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090948/publication.mdobserved ec2cec278f41dcf05e47454bb52930d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:10.045306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090948/publication.txtobserved 80efb89c84bf38e18c2385a6b47e85ed...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. |
|---|