OT-2026-000004896
Publication integrity record
Bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure verified
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-2026-000004896) never changes.
Identity and time
| Publication number | OT-2026-000004896 · never reused |
|---|---|
| Internal UUID | 01a0a927-01a5-752e-93c4-d65492235200 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:20.968956Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004896 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cc3cdaabcc33cbd9a4d121893107942727267a07c0c21976ae31c404dd85f6a |
|---|---|
| Markdown | a03373e8030f7308094cf2f42f91924730ef818700e93dcdcbe23aa4b236ee4d |
| Publication page | 97cfcd3ee897c303292e917432bba4ef607ccbb06c0cb7281f6b3ff593ba6592 |
| Manifest | af4d95d52dffebf019f1cd1ed6efd8f1a230b23d5f10bcaff0bb56be6a98a375 |
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 | 6d3zL/ddJp2nuYPNAGLqkrW0Pecm8PLUn8lp7tN8eX1uwT2DBsi9kLnModt50REzGJZBE8WKBHwUjtihpY34Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:07.223153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004896observed 97cfcd3ee897c303292e917432bba4ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:07.206681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004896/manifest.jsonobserved af4d95d52dffebf019f1cd1ed6efd8f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.188837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004896/publication.mdobserved a03373e8030f7308094cf2f42f919247...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.173114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004896/publication.txtobserved 8cc3cdaabcc33cbd9a4d121893107942...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. |
|---|