OT-2026-000052299
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000052299) never changes.
Identity and time
| Publication number | OT-2026-000052299 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-7b78-9234-b54587312e33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052299 |
| Status | PUBLIC |
Content hashes
| Canonical text | e49d31e04b71f4515b4a4351d4891e098ddeceedfc4ece119f2fab963d55baf6 |
|---|---|
| Markdown | 938da783d1b0da61afc0a4080ccd169b3a0fee2658755c9b5534a8e700d03c26 |
| Publication page | 49a1a3ec0763acbd99c797efa8bd54af1405ae43a3ca2e690d6e3d5a130c1c2f |
| Manifest | da1205996c253e1c4f4639edfacda58cba1e3d0b0bb17975516c4c7d1b9d685d |
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 | LgorBvWc7f4Mt3CBs/RTGNZ1qKlWnZxm+HeexmwZe86iItyfOY0aCoUIVwhXoDLbnjXo9uFtVvaMYCkg4ejfCA== |
| 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
| 2026-09-17T08:41:33.482415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052299observed 49a1a3ec0763acbd99c797efa8bd54af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:41:33.272804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052299/manifest.jsonobserved da1205996c253e1c4f4639edfacda58c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:33.017887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052299/publication.mdobserved 938da783d1b0da61afc0a4080ccd169b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:32.811735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052299/publication.txtobserved e49d31e04b71f4515b4a4351d4891e09...fetched by grabo-systems from 34.44.131.203, 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. |
|---|