OT-2026-000021187
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000021187) never changes.
Identity and time
| Publication number | OT-2026-000021187 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-708d-9a4c-2f34c1a5c6e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021187 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ece6c5d4a334590a6539d9833ba2b2479442f4e1b547f91cd81b52be60af18c |
|---|---|
| Markdown | a9d64a0f476fee797d3df531b6782a922ab466ea3d8aa239b97d98e10a984c1c |
| Publication page | a04924818af99aac3860dcc479942e92cda6ce40edbde78fc44e2d2070f33989 |
| Manifest | fdd1d27b19bd73dda3c81e78109a44c041d8d1a6c17066eacc69a483319c1f64 |
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 | sbA3fM/CoqdVgfj2Xx9zZwj8rIok/MKfbDYZGhz/aG8k+L6R9mEmoA+FSD5UuGOwY7fuAffMYdc9RYMHATw0BA== |
| 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
| 2026-09-17T11:54:58.686868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021187observed a04924818af99aac3860dcc479942e92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:58.648657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021187/manifest.jsonobserved fdd1d27b19bd73dda3c81e78109a44c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:58.630851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021187/publication.mdobserved a9d64a0f476fee797d3df531b6782a92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:58.612988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021187/publication.txtobserved 7ece6c5d4a334590a6539d9833ba2b24...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. |
|---|