OT-2026-000003515
Publication integrity record
Porous face vacuum gripper fed from a dedicated vacuum source at the tool
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-2026-000003515) never changes.
Identity and time
| Publication number | OT-2026-000003515 · never reused |
|---|---|
| Internal UUID | 01a0a906-eb25-7f7e-b311-cf48adaaabf5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:18.056083Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c1c63464c337eb78cd6a8aa4e489d7e9e50eb0591db6df46864c912859c8757 |
|---|---|
| Markdown | 728c8e4fd66f8b313c2c0537948ce4ea2abab4a6de6f4e7225163203aad229c0 |
| Publication page | 8ad2890af151765897b6e85ced1458437eb20bea1786aa7797845a17ef86d803 |
| Manifest | 82daafab8216e9831bfee0480cbe29391164a66b40d95324649e24e6f42f5c0c |
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 | hkJYJfZRtKc7OgJzIxjkInbNOYOkMXTb0SoQZRyePqfIHoJg2ko8ZflyDlXyOJutSdz1sQ9+YYDO0c0q18YGBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:33.150749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003515observed 8ad2890af151765897b6e85ced145843...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.136606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003515/manifest.jsonobserved 82daafab8216e9831bfee0480cbe2939...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:32.998967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003515/publication.mdobserved 728c8e4fd66f8b313c2c0537948ce4ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:32.984667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003515/publication.txtobserved 9c1c63464c337eb78cd6a8aa4e489d7e...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. |
|---|