OT-2026-000021742
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000021742) never changes.
Identity and time
| Publication number | OT-2026-000021742 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7eac-9d66-f7e45149bf16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021742 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0eddb3b41142c1dabd03f7f3c380c4ed34ce4016e4e62f8bcc5c90f91ade2e0b |
|---|---|
| Markdown | cadd3b45099b96e28019dfdae097706412bb030aaaa332fdb983ac371e225c4e |
| Publication page | 7b5e964965c49cb0695a437dab28a2204591e3f3b3cd76d4d806b9dfccad6600 |
| Manifest | a6b963f5b3089f61384f74559579af7eff7455126233bcabac0ce91073c28767 |
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 | 3tyKEMCKaPi8awuHhio9hDvl+9pCKFSR4Y1aDoYPK46kyFdM9ULfoWDKxQJMWkTqakVWMtRSm2XGNvzMSlduDQ== |
| 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
| 2026-09-17T11:54:06.317170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021742observed 7b5e964965c49cb0695a437dab28a220...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:06.299218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021742/manifest.jsonobserved a6b963f5b3089f61384f74559579af7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.279584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021742/publication.mdobserved cadd3b45099b96e28019dfdae0977064...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.260250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021742/publication.txtobserved 0eddb3b41142c1dabd03f7f3c380c4ed...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. |
|---|