OT-2026-000007580
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000007580) never changes.
Identity and time
| Publication number | OT-2026-000007580 · never reused |
|---|---|
| Internal UUID | 01a0ae62-4df8-7ec4-a47d-6c7d53388a78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:01:13.261569Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007580 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7717a7495bd35f0bfee392ebe2159778705201889f96599f08dda91604c72d81 |
|---|---|
| Markdown | a66c147ddae7adc52f702b136647856f8ce09f025536a4af2e70b660d4af2ba2 |
| Publication page | 2b53a7b0eb3125b7014414d30f281c1d2edbf50bf5c4932107cf75ff802b7843 |
| Manifest | 58c10fcf89e9988a994d8f46cb808b0b173e93975fd4bf9b58de9d105e7272bb |
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 | ZmcMQ2oY7jwnUAH2alwM0fKgp1rizVGrB4KsTFsnqKnUPxWpZR62igaraxUltGDac48QYVCgmgAspObFfZUvDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:07:02Z batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof root 8d90bf9341d96baa4328c218b6f85281... |
|---|
Independent retrieval
| 2026-09-17T12:20:53.050983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007580observed 2b53a7b0eb3125b7014414d30f281c1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:53.030648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007580/manifest.jsonobserved 58c10fcf89e9988a994d8f46cb808b0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:53.006348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007580/publication.mdobserved a66c147ddae7adc52f702b136647856f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:52.987420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007580/publication.txtobserved 7717a7495bd35f0bfee392ebe2159778...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. |
|---|