OT-2026-000006721
Publication integrity record
Vacuum cup gripper, six outlet manifold, pump fed, vented before set down, polyurethane cups
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-2026-000006721) never changes.
Identity and time
| Publication number | OT-2026-000006721 · never reused |
|---|---|
| Internal UUID | 01a0a965-1e2d-739b-bbc1-a0f11c529fec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:46:11.504013Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006721 |
| Status | PUBLIC |
Content hashes
| Canonical text | ac939b50cdb6c84b685023fc8a8911c756c235b29d4a76f28dddd36df963d4c3 |
|---|---|
| Markdown | 15511626ac317054d71a09c113fb5a7be8c74398bbb8f48d47996cec940a4bb5 |
| Publication page | 650a5db42243ac6d521d09923a1f03e9652e9a07afa4a7f2b847f8665a7db923 |
| Manifest | 00ceaa3b04ec8c1acd657b90dd6acd5ba78c786a6224d3288aec6fc90f42dbc5 |
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 | nwji87t6mxY6JWi8QYS8ljqtcK4/DMf8aH0+bCFYwTfp3Vym4IT2u+UkbbiqehJC17B/h6TUXeaPyXbrEYOeCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:13.482753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006721observed 650a5db42243ac6d521d09923a1f03e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:13.469431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006721/manifest.jsonobserved 00ceaa3b04ec8c1acd657b90dd6acd5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:13.454440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006721/publication.mdobserved 15511626ac317054d71a09c113fb5a7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:13.440474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006721/publication.txtobserved ac939b50cdb6c84b685023fc8a8911c7...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. |
|---|