OT-2026-000012881
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000012881) never changes.
Identity and time
| Publication number | OT-2026-000012881 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-70e5-9538-e6abd880ff65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4604d5dd7c7cc40b8a0da3552dc1db15ef2717eb871a151c451db6b086a4a3fe |
|---|---|
| Markdown | 9106bbcd1ad017842e33e574612c03ffee7e97c7807d325cb2b38fc9fb33069e |
| Publication page | dd0a5f65e31897ebdf8515b3a517754e9e0413ed9d54453c9e46cca14b1d7516 |
| Manifest | 54ebea6e9fdf4fd9a84d78a5782844885d8c723531b4c7fe352b2340d8b0525c |
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 | R3MiZdN5amp1ViJH5w4uZBtJwy5FHXjwjZUZWqJMdEYG6RWnug5rPqWa6XsGT38Pg6nfDf9m3V9Lx7S5WWOuBw== |
| 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
| 2026-09-17T12:10:40.106075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012881observed dd0a5f65e31897ebdf8515b3a517754e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:40.086350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012881/manifest.jsonobserved 54ebea6e9fdf4fd9a84d78a578284488...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.067637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012881/publication.mdobserved 9106bbcd1ad017842e33e574612c03ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.050933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012881/publication.txtobserved 4604d5dd7c7cc40b8a0da3552dc1db15...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. |
|---|