OT-2026-000078784
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000078784) never changes.
Identity and time
| Publication number | OT-2026-000078784 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-7cdb-ab0c-f063a8172804 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078784 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1fc5eae91e401b1be8e1b54d1b242cb303cc753414ec869a6397f39fdd0eb1ff |
|---|---|
| Markdown | 52ee6fa258393733e34ec7eced5ea86b25ab2a88158a2a862f52509bc0ee11e0 |
| Publication page | 2ef0616ab3c9d5914bfe50866c746fc4e5f2dd6f2e0aae422b2562077764ac27 |
| Manifest | 76772a8779f4e68cc6adc8f082a5db247aeebcb8b9170118e4bc384b797d3e01 |
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 | bFMolvGfJBT+rMmN0qO1K2DruhKDmheBvAfVaw2G9czq52YsNenHByxVV6CyF9VfPS5CYyXOqyo+3eiMU9CQCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:21.367761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078784observed 2ef0616ab3c9d5914bfe50866c746fc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:21.350151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078784/manifest.jsonobserved 76772a8779f4e68cc6adc8f082a5db24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.328492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078784/publication.mdobserved 52ee6fa258393733e34ec7eced5ea86b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.309523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078784/publication.txtobserved 1fc5eae91e401b1be8e1b54d1b242cb3...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. |
|---|