OT-2026-000052453
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000052453) never changes.
Identity and time
| Publication number | OT-2026-000052453 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-7821-b311-9909e77ceee0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052453 |
| Status | PUBLIC |
Content hashes
| Canonical text | d77459c50595a41ffbd5ba3d391134be069b454a66113b954bbbfaf355f96822 |
|---|---|
| Markdown | 7218fe114f9e5c96c2daf1cd9f638878cdc786a637a50a49c24b5af27604acd7 |
| Publication page | c0c9ce7cad831206d585a791e01646d5ad0702f47104011332f7c8f77bd6125a |
| Manifest | 5372162cc6ec8eda1e746e0a448d723739d1e14392ef20bba7f92f8dd1ea42a4 |
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 | 4Byv4rR2CiTe+j2arOblPOuGKwfwFslWhK3Uf18RLAcQxvp1pSLF9658l0DlJT9IZMgmNF2QHL7WxAY3/ZiTBA== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:04.661668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052453observed c0c9ce7cad831206d585a791e01646d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:04.640821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052453/manifest.jsonobserved 5372162cc6ec8eda1e746e0a448d7237...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.624551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052453/publication.mdobserved 7218fe114f9e5c96c2daf1cd9f638878...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.607090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052453/publication.txtobserved d77459c50595a41ffbd5ba3d391134be...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. |
|---|