OT-2026-000090959
Publication integrity record
Two 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-2026-000090959) never changes.
Identity and time
| Publication number | OT-2026-000090959 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7270-a95e-fce194f76e2f · 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-2026-000090959 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf4cb392dd3340ac598d4af4b269403b9e13fa3a8ebb4b193da9aaaf7dc0f7ee |
|---|---|
| Markdown | ad88060fd7223fb1ee91cd9a1475c8e6fdc5b034d2acc24d456cb7c091cbae68 |
| Publication page | 972ebe3aed54abee78697a00913c35aee2befbeca1f5f8557fcc2090759c77c8 |
| Manifest | 78a062fc2c10dc14f7b33734e82a56a2e6d90f01b5dd8afe6701ff4efe2ead64 |
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 | wHvacAr+kpKEfg96k+grPfYab+3Bnc7rEOMR1G6egY9BoaJdwqnKtyCaoZ4OahMjHnpHq6LKfo3WlcRVSqrtCQ== |
| 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
| 2026-09-17T09:44:10.914354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090959observed 972ebe3aed54abee78697a00913c35ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:10.898454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090959/manifest.jsonobserved 78a062fc2c10dc14f7b33734e82a56a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:10.880654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090959/publication.mdobserved ad88060fd7223fb1ee91cd9a1475c8e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:10.864532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090959/publication.txtobserved bf4cb392dd3340ac598d4af4b269403b...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. |
|---|