OT-2026-000004613
Publication integrity record
Porous face vacuum gripper, four zone face, four outlet manifold, pump fed, pressure verified
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-2026-000004613) never changes.
Identity and time
| Publication number | OT-2026-000004613 · never reused |
|---|---|
| Internal UUID | 01a0a91d-ba4a-77a0-8698-0d61b2810d38 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:12.877661Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004613 |
| Status | PUBLIC |
Content hashes
| Canonical text | e122d89ef3f0e84a307529a82fddb12d3ad4d9c2fa486f46f8015c09817e700a |
|---|---|
| Markdown | 9ee6e9801238a4b0afad0303f8746a014fec8ed7eee31e98c1dc1136c62309ad |
| Publication page | 8fc60c96927f54ddc191d74dd2767524d118d07edc655ceca4f3e51be271517c |
| Manifest | abf7d910e28a5ab69ab9f12a281fc7388ca3fc8486014830f46c90801ae1d91c |
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 | wm1xwCIXpJLASVupBTEeWIKvbRYWoAEMZ+MMlRx/znVdS0Ihbnny+7JZxCEFnvztfajvPk9ehk4kVj699eLBAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:09.154862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004613observed 8fc60c96927f54ddc191d74dd2767524...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:09.141671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004613/manifest.jsonobserved abf7d910e28a5ab69ab9f12a281fc738...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.129388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004613/publication.mdobserved 9ee6e9801238a4b0afad0303f8746a01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.994169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004613/publication.txtobserved e122d89ef3f0e84a307529a82fddb12d...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. |
|---|