OT-2026-000029828
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off before set-down
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-2026-000029828) never changes.
Identity and time
| Publication number | OT-2026-000029828 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7691-ab43-1c00c3b0a9dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3d94a9547093f9baa9f2110063afa7a7ecbaf2480175ef4af29a28186ec04a57 |
|---|---|
| Markdown | 76259205301cc544ed972d59e85296b41ba24aaf0509ce799e859fe32b2bbfc0 |
| Publication page | e1da72ee62c56dc555922a077397c0c8d27840baae04f19dae271c2966c08711 |
| Manifest | 51b101b24b88a3b746ed949bb26e08befeea3f90fbcddb76e677d217ab5141e9 |
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 | 3ScLtojwSroZSacZ4FEiw6CDuFkjvRib+X9T3s330HIbObtGofF+F+GM51gjPfskHa6sKndukSzomT/JgOpYDw== |
| 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
| 2026-09-17T11:38:30.351206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029828observed e1da72ee62c56dc555922a077397c0c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:30.335113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029828/manifest.jsonobserved 51b101b24b88a3b746ed949bb26e08be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:30.316124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029828/publication.mdobserved 76259205301cc544ed972d59e85296b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:30.299037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029828/publication.txtobserved 3d94a9547093f9baa9f2110063afa7a7...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. |
|---|