OT-2026-000004587
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, three stage ejector, contact triggered
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-2026-000004587) never changes.
Identity and time
| Publication number | OT-2026-000004587 · never reused |
|---|---|
| Internal UUID | 01a0a91c-ebb6-7336-a109-2209898574cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:19.992948Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004587 |
| Status | PUBLIC |
Content hashes
| Canonical text | d449a3cd8c5b4a5ebf843e4fa562ae73095e0bf942d5e32e8fc3973af5e3d552 |
|---|---|
| Markdown | 7f2d3fbb374713d8be3e144eb5f176d5e7890aa2b14af00b2a6836234557ee0c |
| Publication page | 409a47848ecd3bf2e2c9bab4cab4b867820c33abdbdcc1f0d139163b108011a7 |
| Manifest | 4414d787c7ff63dbb8774f159f9ccb0f02d19a2403dfe14da2c36e59639b0943 |
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 | sll/nb/9LG77ox7AdoBGdw4QtqSl9Z6mnexKCbYbrH0KdaIiSgaL9JzbOQhpjMAbs6+wmHcB68noH4t8sBfeBw== |
| 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
| 2026-09-16T07:30:11.950458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004587observed 409a47848ecd3bf2e2c9bab4cab4b867...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:11.939349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004587/manifest.jsonobserved 4414d787c7ff63dbb8774f159f9ccb0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:11.926433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004587/publication.mdobserved 7f2d3fbb374713d8be3e144eb5f176d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:11.912814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004587/publication.txtobserved d449a3cd8c5b4a5ebf843e4fa562ae73...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. |
|---|