OT-2026-000052739
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000052739) never changes.
Identity and time
| Publication number | OT-2026-000052739 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7d80-80ae-652287336565 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052739 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92eac0233f58ec13634505c77493635bc079c51461c8d0e9d3c51004a813fa90 |
|---|---|
| Markdown | 0a61b4dd47aed836f89e1b269333d36bad53c2c452c1f7318969667c0e4e8c90 |
| Publication page | 882933fd572648fde8c73e8b11becb7ccd58217f51a819fd5457026f532e3403 |
| Manifest | cd5d5cf44965cdd087b1acbb2bc93c4e22524890b2086bd06ef15a526b0d34a8 |
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 | 4w0vv7o7ds8CUDpEK9RoVx5NQ2dwP/h785AUJZjVtGpZL/MhdQ0fLb+8JjYV9upyYR4ko+13/Bk+rHxJrl53AQ== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:44.178685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052739observed 882933fd572648fde8c73e8b11becb7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:44.159610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052739/manifest.jsonobserved cd5d5cf44965cdd087b1acbb2bc93c4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:44.141098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052739/publication.mdobserved 0a61b4dd47aed836f89e1b269333d36b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:44.121954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052739/publication.txtobserved 92eac0233f58ec13634505c77493635b...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. |
|---|