OT-2026-000090821
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000090821) never changes.
Identity and time
| Publication number | OT-2026-000090821 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7a1f-802f-0e1e6ef57beb · 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-2026-000090821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 574d22c4a0d078802563f68ff41a60fe1729b33b70bace48be2235a8a0816bed |
|---|---|
| Markdown | 6a00740b2583f2e631e0bed5b99ae9e6a25c9669991b20513a037f0ebf49623a |
| Publication page | ff0ce07081abb8ef515a9d898595a568ba61672ac4084aef141ce887b8bfa63e |
| Manifest | 4174cc3535eba8ade4fc96284a17f48c5f66c1212d0757c3fc3bf614b45dea14 |
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 | AfKdd+P86vDUB9Q2w/sInKn1+j4KASRgqD7Q+EIaviZofqzPaPGgs8yO+ic56pf/AvIkL3zmfwbSfTUz5FzyDQ== |
| 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
| 2026-09-17T09:44:00.916116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090821observed ff0ce07081abb8ef515a9d898595a568...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:00.899522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090821/manifest.jsonobserved 4174cc3535eba8ade4fc96284a17f48c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.881818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090821/publication.mdobserved 6a00740b2583f2e631e0bed5b99ae9e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.862419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090821/publication.txtobserved 574d22c4a0d078802563f68ff41a60fe...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. |
|---|