OT-2026-000057928
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057928) never changes.
Identity and time
| Publication number | OT-2026-000057928 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed9-7298-aa1a-ad88422f8c2f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f9fed41747030b386f1827560e8a7d7b4bbab88ea49d74470d350a9947a9d8e |
|---|---|
| Markdown | b6bd2210adb868e21f27d11fd105962394300ebf4e03f13d6fdf564292e33380 |
| Publication page | 35cde8843c736ac42eaf9917b1e6e8bf2ce6874d6157f77b549ef172ec33c2ff |
| Manifest | 599105fcd5710e82f27023a2ae2fc400c9990335103435ff7383e9a486869d5f |
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 | 6XgAVvr89j4AX5k5Tz1ea2bfWb+Aetoy1p0oIWZsrClW0vX5PJPDkB8/LbOg03Odi4+tJPMSJ1kU2z15hG6DAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:32.505368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057928observed 35cde8843c736ac42eaf9917b1e6e8bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:32.486189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057928/manifest.jsonobserved 599105fcd5710e82f27023a2ae2fc400...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:32.468798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057928/publication.mdobserved b6bd2210adb868e21f27d11fd1059623...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:32.450603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057928/publication.txtobserved 2f9fed41747030b386f1827560e8a7d7...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. |
|---|