OT-2026-000042821
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000042821) never changes.
Identity and time
| Publication number | OT-2026-000042821 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-71cc-a669-f6e9c0b7d066 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042821 |
| Status | PUBLIC |
Content hashes
| Canonical text | b32b2fb5ff65fd6dec885f1decb049ee5543a318c9acc68a97fd245b2642e2e6 |
|---|---|
| Markdown | 4fb4673e49fbe09148a9d97493f7da725409dc5671712943b67e8823bec5ea18 |
| Publication page | 19697db0494c3c4a4b9d1919847330feb50c4d1bc712d1d3f349049fa0ca8f8d |
| Manifest | 9fe3c581c5b75181b0f7d5e6909a1063a0ed75d1ec30d7374cd3a84c195a8438 |
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 | jYDjCS5Kl0mAi+24akUOtv8akpW3oiwy95T1KIPy0SouQUjVVFBghxwVmfEpyhHnCe4QH/rnFaztrhVUSixsDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:15:18.006964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042821observed 19697db0494c3c4a4b9d1919847330fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:17.987358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042821/manifest.jsonobserved 9fe3c581c5b75181b0f7d5e6909a1063...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.968527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042821/publication.mdobserved 4fb4673e49fbe09148a9d97493f7da72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.951696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042821/publication.txtobserved b32b2fb5ff65fd6dec885f1decb049ee...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. |
|---|