OT-2026-000004749
Publication integrity record
Porous face vacuum gripper, two zone face, four 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-2026-000004749) never changes.
Identity and time
| Publication number | OT-2026-000004749 · never reused |
|---|---|
| Internal UUID | 01a0a922-20b9-71b9-9b4f-103e33c4386e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:01.243174Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004749 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b4517581d341a2f3173af5409997ca3b0585ce9b343c444d8018cc005b06df0 |
|---|---|
| Markdown | 6d80cdc88c9bc9eec28df9b1b7e31b1e0147f54f31e3aaa165ed445ebafa174b |
| Publication page | 3e2fd8ca83421c6e43b039aabf3bfc586d05d2d62a7692d093e26d8ffab6cd57 |
| Manifest | e87dac8dbc7513baf55234acfd598805388db501e1c47d4ee2b36620a93a9901 |
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 | 4V1dQ1WPI1T8OEPOOQ9ev672D0h9cmca5J/UkmsjLjvHuNTm9IZxsNw5rDOGGQ5I51JHr1SPomD76vq5PWWRDg== |
| 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
| 2026-09-16T07:40:23.140991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004749observed 3e2fd8ca83421c6e43b039aabf3bfc58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:23.129071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004749/manifest.jsonobserved e87dac8dbc7513baf55234acfd598805...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.992799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004749/publication.mdobserved 6d80cdc88c9bc9eec28df9b1b7e31b1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.980200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004749/publication.txtobserved 0b4517581d341a2f3173af5409997ca3...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. |
|---|