OT-2026-000019987
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000019987) never changes.
Identity and time
| Publication number | OT-2026-000019987 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7527-a8d5-3430e890da05 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019987 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29f623c7fb718011bf814497201382a4db25d3166dbe46672fb2e9ea5998900c |
|---|---|
| Markdown | bcb716f87226163bf2022d156926a03953d2382fce72f6cb3170e52e890aff7f |
| Publication page | 32a61358f1bb292f148e7963dc29fd30766f4af775849e0f20fd4a44d5a9d217 |
| Manifest | 0c6652957b6541ec0e99161a30c0406f7a75588a5cc5a73ea18d25572709731e |
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 | dxarPmr2FLMC2Sq2i2Le8TyKHqLwanYEe9f106cXEDrlaD96hJe3qBxVpSoeCW9QhQVJAbuLXUM/lj9Q9aTHDw== |
| 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
| 2026-09-17T11:58:13.710939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019987observed 32a61358f1bb292f148e7963dc29fd30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:13.691133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019987/manifest.jsonobserved 0c6652957b6541ec0e99161a30c0406f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:13.670221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019987/publication.mdobserved bcb716f87226163bf2022d156926a039...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:13.651443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019987/publication.txtobserved 29f623c7fb718011bf814497201382a4...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. |
|---|