OT-2026-000013764
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000013764) never changes.
Identity and time
| Publication number | OT-2026-000013764 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7a51-9467-3e41993c490c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013764 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc8c45ecb332a3e97a32e07f240c9ace5565206cf1075794a5163eb465b6a9cf |
|---|---|
| Markdown | 13fd00eeb32e11fc6c5f6eb0b4d08a7e3a8ea0354bbf2e2bb4258760ae144261 |
| Publication page | a8632997a8762a1b06c0c761c116099a0a1177073f14c77ed19ebb0536f8fc8f |
| Manifest | 501d12beb0ae67ef4e36aaadb2c2eb87698d71c2d7e931894248d287d5e86f5f |
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 | Bny/Udmk19cMLt/+xuNoOdNLJZVg7sUafFMtVXE4a1EFLJBoI65ozSi26cG9an/xW1c3E8d5fP9LdI3nM9mbDA== |
| 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
| 2026-09-17T12:08:50.437232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013764observed a8632997a8762a1b06c0c761c116099a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:50.415422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013764/manifest.jsonobserved 501d12beb0ae67ef4e36aaadb2c2eb87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:50.395346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013764/publication.mdobserved 13fd00eeb32e11fc6c5f6eb0b4d08a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:50.376023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013764/publication.txtobserved bc8c45ecb332a3e97a32e07f240c9ace...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. |
|---|