OT-2026-000021847
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000021847) never changes.
Identity and time
| Publication number | OT-2026-000021847 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-771a-9cc2-8ffaf8e440df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021847 |
| Status | PUBLIC |
Content hashes
| Canonical text | d504b3618c35ecead0cdba08629708ca13ac9d7693a7ef88663e9b25e45d48c3 |
|---|---|
| Markdown | 038bab363f4fb59159c2cbfe2ea01ffd1af5bc75ac503db1d78b436c22f1b649 |
| Publication page | c7773110c32b3826b3cbd8d77c2958120a90853e153c0cf6e87655f6cf11f187 |
| Manifest | 5fd92f945b6b5ff8ee6b865f3f83175d6d712b1158c3ac809c6114ae18ae0a48 |
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 | 8EHKz4G1d2whIEW/lPiUNoQwKD6DdihLOP7oqg3jMbSXnSEd1M9aDrcwU8k8/sC7tapVnNIINboJhAhHjU1+AA== |
| 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
| 2026-09-17T11:54:24.371848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021847observed c7773110c32b3826b3cbd8d77c295812...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:24.353372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021847/manifest.jsonobserved 5fd92f945b6b5ff8ee6b865f3f83175d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.335358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021847/publication.mdobserved 038bab363f4fb59159c2cbfe2ea01ffd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.317679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021847/publication.txtobserved d504b3618c35ecead0cdba08629708ca...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. |
|---|