OT-2026-000021137
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000021137) never changes.
Identity and time
| Publication number | OT-2026-000021137 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7084-8c46-d2279d0dd870 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021137 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0696f3ae422bd63810903bcb3fca52aa3742b2bb35b08c07280d7568129ac095 |
|---|---|
| Markdown | 751160ea4996903cc500d207c7b6752c95d2f2619d8fd8f24a88bcf3d8040b23 |
| Publication page | 499f3e0af099affdab9e56b241c6992a6fe1081ff5181d190c4cc7ff8e886bfe |
| Manifest | 8376b60e80a51bfb6232baa6685fffaa7d11c0e74fbc33588df95a8864b6245c |
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 | uPjGdMlVcRAnG8qYgPB3Acg/+mbrKKklL9Y2dggj+/1xJ1m+BZS9uiD/Nkk/7UhyyucgsufnPYUWgme3K5z6Aw== |
| 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
| 2026-09-17T11:54:53.408348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021137observed 499f3e0af099affdab9e56b241c6992a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:53.391842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021137/manifest.jsonobserved 8376b60e80a51bfb6232baa6685fffaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.373170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021137/publication.mdobserved 751160ea4996903cc500d207c7b6752c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.355081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021137/publication.txtobserved 0696f3ae422bd63810903bcb3fca52aa...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. |
|---|