OT-2026-000078790
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-2026-000078790) never changes.
Identity and time
| Publication number | OT-2026-000078790 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-7988-bff6-8feeb53a9aeb · 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-2026-000078790 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9b34e42c7d32fae5c2f1ff5b3fe38f0df24a04e8b12dfc75b8d64f86068d6d0 |
|---|---|
| Markdown | ae5e0ed9775ea487f9e65975c0c6c1958efa73c4789ff216f2a8389387398afe |
| Publication page | 30236896e572db640a84a005298fd0a7e28690e5ebd9ad2c32b60bcc00936ec3 |
| Manifest | 95a1e59452fa4f1333fc1173289208ae91eccfcfc8eaf6d562e0466b546926e4 |
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 | 5KwYyon7wsYeExQzEF3gG+LD53Jm3Lo76M410oC3mzWYPGAdYwl/gBVFhLD+vgN4Hg7mLbNTq5Qjz2JnS95NBA== |
| 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
| 2026-09-17T10:05:21.448810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078790observed 30236896e572db640a84a005298fd0a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:21.430341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078790/manifest.jsonobserved 95a1e59452fa4f1333fc1173289208ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.412962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078790/publication.mdobserved ae5e0ed9775ea487f9e65975c0c6c195...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.393095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078790/publication.txtobserved b9b34e42c7d32fae5c2f1ff5b3fe38f0...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. |
|---|