OT-2026-000057804
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off after set-down, on a tool changer
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-2026-000057804) never changes.
Identity and time
| Publication number | OT-2026-000057804 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed7-7e34-b76c-5cd80ef1acdf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057804 |
| Status | PUBLIC |
Content hashes
| Canonical text | 461df4772c64c25bad62bb5e1417add03f425c3bcf3b0525716812c6553eb328 |
|---|---|
| Markdown | 3fcb9cee557bf9605ab75f182143921acdfbfd39cd7d8954a4ff9f6f0aa6e0b6 |
| Publication page | b443ea58f79fab9925b20eae6041b9d07cddb161f0f18ce7cfc7744c849079fd |
| Manifest | 3d1dbf0a4dd98a5182cf0a7e373c847b326224ca1eb4e282cf4a807ed3ffc750 |
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 | dMiLSLlVbwinoCkFeFLQe9ST4viCgsVfdJVEkCrHyV6os/pJ37D7Dg1ZVjUnDsLNO9kNfRaScs7VDQA/PxFGCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:22.145704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057804observed b443ea58f79fab9925b20eae6041b9d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:22.125764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057804/manifest.jsonobserved 3d1dbf0a4dd98a5182cf0a7e373c847b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:22.106458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057804/publication.mdobserved 3fcb9cee557bf9605ab75f182143921a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:22.085998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057804/publication.txtobserved 461df4772c64c25bad62bb5e1417add0...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. |
|---|