OT-2026-000012990
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000012990) never changes.
Identity and time
| Publication number | OT-2026-000012990 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-79d9-b5fe-b9251ea8addf · 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-2026-000012990 |
| Status | PUBLIC |
Content hashes
| Canonical text | a65cf1ea048a0f46b31fbfb181f5a40c4fc5137c9748f582c98ac1e343e482bf |
|---|---|
| Markdown | bbfec13440112ef2a9614a59c2e33bebdac7e6b68dfdedfeb14224b4c2c52d6a |
| Publication page | b515f1648a793e48b83881a22ae2a4cbd2de0dc29a84523336634bd19618ae26 |
| Manifest | dad6921c9c3c86d4a5e3f93c3e2143dac5f3c446b4423e356e3127c9f92d4c8a |
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 | pfov4QuZzzt/VOznREVuTeaoKUdNGx67EZk8de7ejCsw8qmJJG62AvNbzVpG7vzZzCzf5vaGNFg//+TlKY9ABw== |
| 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
| 2026-09-17T12:10:48.419607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012990observed b515f1648a793e48b83881a22ae2a4cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:48.400987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012990/manifest.jsonobserved dad6921c9c3c86d4a5e3f93c3e2143da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.379613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012990/publication.mdobserved bbfec13440112ef2a9614a59c2e33beb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.360997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012990/publication.txtobserved a65cf1ea048a0f46b31fbfb181f5a40c...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. |
|---|