OT-2026-000003937
Publication integrity record
Porous face vacuum gripper, four zone face, three outlet manifold, two stage ejector, 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-2026-000003937) never changes.
Identity and time
| Publication number | OT-2026-000003937 · never reused |
|---|---|
| Internal UUID | 01a0a90b-8507-7ed1-ad56-252c325eb26b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:19.593654Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003937 |
| Status | PUBLIC |
Content hashes
| Canonical text | 01dc2186f04cd507bf98fb6dadeca734f7bbe70cf75874f0937c6f78a24066a5 |
|---|---|
| Markdown | 9e6237c4917b27eaa53941ba8a73ff4c4f917a1d5a20088b158c5848a1f8f317 |
| Publication page | 3a606c4b26352634310c0a15b7cf0f05aa51ea16f5997165279b1d8dd456ceb6 |
| Manifest | ad3cb864b38b51c35f8e48dbc3aa2cd6a5e41271700b31e604ea81ac868ef0d3 |
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 | sSG5TJJcnEB9HVUEek4QF+DJeWxoqSMDcMC6O8UdcxzRyBHqLt/J1mPqFv0viUaa0mUyYuAn6dUZlUlFhazYAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-24T04:23:29.133875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937observed 3a606c4b26352634310c0a15b7cf0f05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-24T04:23:29.120224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937/manifest.jsonobserved ad3cb864b38b51c35f8e48dbc3aa2cd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:29.105900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937/publication.mdobserved 9e6237c4917b27eaa53941ba8a73ff4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:29.021701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937/publication.txtobserved 01dc2186f04cd507bf98fb6dadeca734...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:42.310290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937observed 3a606c4b26352634310c0a15b7cf0f05...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:42.057765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937/manifest.jsonobserved ad3cb864b38b51c35f8e48dbc3aa2cd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:41.788801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937/publication.mdobserved 9e6237c4917b27eaa53941ba8a73ff4c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:41.494002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003937/publication.txtobserved 01dc2186f04cd507bf98fb6dadeca734...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|