OT-2026-000015216
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, pulsed blow-off before 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-2026-000015216) never changes.
Identity and time
| Publication number | OT-2026-000015216 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7ddf-95f7-9fdea72a6a93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015216 |
| Status | PUBLIC |
Content hashes
| Canonical text | 440e43b7314b2312c38caf858c00e1eaca2aa65260f1e4fbf8e98ca799bfd605 |
|---|---|
| Markdown | 69531836a79ce2b81381c1f53343db71450435d3683dc5b786718cdea7218cf6 |
| Publication page | e48b736efd0067478542fcb4181b57ffc3abb5b62b3dbb987c6b107ee9c5d202 |
| Manifest | 46c62c6bce88abc7b27b49b67e17a64542ec16534c8e4a06ef02fef7a5cff0fb |
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 | V5K/RSM+qa3/ITyO+gI9kSywezL3wkq6AQ8lw4clhl6FGv68wF1fIrKwG91OWbGxuP1IrO2JPI23q7BQfOL4BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:05:51.147585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015216observed e48b736efd0067478542fcb4181b57ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:51.128441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015216/manifest.jsonobserved 46c62c6bce88abc7b27b49b67e17a645...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.109535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015216/publication.mdobserved 69531836a79ce2b81381c1f53343db71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.091252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015216/publication.txtobserved 440e43b7314b2312c38caf858c00e1ea...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. |
|---|