OT-2026-000078778
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, vented after 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-2026-000078778) never changes.
Identity and time
| Publication number | OT-2026-000078778 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-76a5-a70a-8acd1c084aec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078778 |
| Status | PUBLIC |
Content hashes
| Canonical text | f71aec198ec5f7b2350590c0d27216e9359e4494309fd2eb3286abae273255e3 |
|---|---|
| Markdown | 211b71880bf1d2634b86fed74a0aaedf20e729723859f85de558268a55766d52 |
| Publication page | 5850a6fc67320aa5c65ed253a0f7169dcff43f9aa65b9623719aea7e157d15d7 |
| Manifest | 82552c60ce08dca3d7f55cd01e2ee50a46280fe761794b7e98b0382514d87e6c |
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 | E628lC4ITyVAcLcmsVnDWwPUvfAd6/LpNQS+m7262NCqqpf0FQ+yibeiR6ee5XDzXaG1E2FJDuRYkw8l+abWCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:21.283517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078778observed 5850a6fc67320aa5c65ed253a0f7169d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:21.265163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078778/manifest.jsonobserved 82552c60ce08dca3d7f55cd01e2ee50a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.224929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078778/publication.mdobserved 211b71880bf1d2634b86fed74a0aaedf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.190362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078778/publication.txtobserved f71aec198ec5f7b2350590c0d27216e9...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. |
|---|