OT-2026-000006171
Publication integrity record
Vacuum cup gripper, three zone face, 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-2026-000006171) never changes.
Identity and time
| Publication number | OT-2026-000006171 · never reused |
|---|---|
| Internal UUID | 01a0a951-be18-7c73-8397-904789a72568 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:25:01.722694Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29b67ff2ab23a1612c5dcda1f2592adfb8cd005a08718d51282ccd84f45ae877 |
|---|---|
| Markdown | 74124b6c876b525223be2c29882b848a9fc008f0d692352196186963957d9361 |
| Publication page | bced4961d0eee2d3488bafde77aedcb73b7658abc6b92795a63a16bd14421e70 |
| Manifest | 266a4ce5f57edfcc2bebf89810e58ef9638bd5f26121e25e9852bbe66a521e43 |
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 | s07+FiXfasC9qrr34b9RmETlELJDZilD4qClfU1FBaPHoLjjDsEV3172KxfGJS8QHYICvfc4KkyrQ23bdRr7Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:30:19.622952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006171observed bced4961d0eee2d3488bafde77aedcb7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:19.487275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006171/manifest.jsonobserved 266a4ce5f57edfcc2bebf89810e58ef9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:19.473625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006171/publication.mdobserved 74124b6c876b525223be2c29882b848a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:19.460136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006171/publication.txtobserved 29b67ff2ab23a1612c5dcda1f2592adf...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. |
|---|