OT-2026-000052950
Publication integrity record
Foam pad vacuum gripper, three stage ejector, vented 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-2026-000052950) never changes.
Identity and time
| Publication number | OT-2026-000052950 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-75ed-aa65-d6b4e207a3a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052950 |
| Status | PUBLIC |
Content hashes
| Canonical text | 75ae9c2010bacf0e33963d5681b199acaaa3db6974b9ba2ad519fb9c2d8aa24e |
|---|---|
| Markdown | 9543ef20706c9083faf6edab22f35c3784fcd016ee3ef8dde3bbeac8ce6bfd6c |
| Publication page | a9c126e60a21a53dd2ae05c6c06d573aeb2d4faff1165a885e799e38f158b3ee |
| Manifest | 8fcd3146dcda2214a24e9e118a042c4847d345ec92e56d162f30451f56124f85 |
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 | 9WeGL/iryLBDanbbID0eD1EQNQvfEIbMMn47c+CjpPbBZg6O1O02WpqE1hkQNUpx2VP3020wm8s24JyTZeUXCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:37.945158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052950observed a9c126e60a21a53dd2ae05c6c06d573a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:37.928228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052950/manifest.jsonobserved 8fcd3146dcda2214a24e9e118a042c48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:37.911310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052950/publication.mdobserved 9543ef20706c9083faf6edab22f35c37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:37.894578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052950/publication.txtobserved 75ae9c2010bacf0e33963d5681b199ac...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. |
|---|