OT-2026-000028932
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000028932) never changes.
Identity and time
| Publication number | OT-2026-000028932 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-74ec-b572-6aa7ef05af2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028932 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cc223de1a47a35044025266f7caadcf944439d00b6801f4b4a700a422c057b7 |
|---|---|
| Markdown | ba1501d0c8ee36f5777a0c9b6f5678de6756dd8c26535880c82ae9f10de247e0 |
| Publication page | 8173e45e7373cf3c1ad0873a16ea71636c7b7528d03f83727b4eb7bf10336071 |
| Manifest | e53c862c716d21d4f80ad64a6e374f6420fd809ef0677f9594cf01750ce6e299 |
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 | l30QFhe2/w1FrgoDwbDTUb49kcO0kb/Pjo42zhWbcKfJAA5g8ny0RAMLsXFrQRVeHFCFYexb05pwel04oSj+Dw== |
| 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
| 2026-09-17T08:20:22.700091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028932observed 8173e45e7373cf3c1ad0873a16ea7163...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:22.681524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028932/manifest.jsonobserved e53c862c716d21d4f80ad64a6e374f64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:22.536594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028932/publication.mdobserved ba1501d0c8ee36f5777a0c9b6f5678de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:22.514377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028932/publication.txtobserved 1cc223de1a47a35044025266f7caadcf...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. |
|---|