OT-2026-000003911
Publication integrity record
Vacuum cup gripper, two zone face, six outlet manifold, pump fed
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-2026-000003911) never changes.
Identity and time
| Publication number | OT-2026-000003911 · never reused |
|---|---|
| Internal UUID | 01a0a90b-6f75-7050-a5b3-73e23d36372c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:14.071698Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003911 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fcf5ff6159db46c930ea74ad83282af690efee489acb39dce6380946abac39f |
|---|---|
| Markdown | 75c73fb125d1d35a77624f0a4b9290b94324afdf186b18f2c075130fc8d14f46 |
| Publication page | 92a58d6ee6589b8048173b11517dcabf12e14dc5358adac1a8a8c67473b027bf |
| Manifest | 93631d1c60a9e040f625ccd70aeb4a65a20f2ab7beab3078973f3d298d29110b |
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 | ZFggX4fpeTpr7u8e7/TBJp/u7105d/Yq8cDzwjxMtqvuHV9Kg47JmErWpVeTHDZBEKlyPnfhr58P2pxprmXkBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:42:37.436933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911observed 92a58d6ee6589b8048173b11517dcabf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:42:36.958669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911/manifest.jsonobserved 93631d1c60a9e040f625ccd70aeb4a65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:36.435382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911/publication.mdobserved 75c73fb125d1d35a77624f0a4b9290b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:35.923448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911/publication.txtobserved 7fcf5ff6159db46c930ea74ad83282af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.792754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911observed 92a58d6ee6589b8048173b11517dcabf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.779695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911/manifest.jsonobserved 93631d1c60a9e040f625ccd70aeb4a65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.764274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911/publication.mdobserved 75c73fb125d1d35a77624f0a4b9290b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.749922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003911/publication.txtobserved 7fcf5ff6159db46c930ea74ad83282af...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. |
|---|