OT-2026-000018020
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000018020) never changes.
Identity and time
| Publication number | OT-2026-000018020 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96fc-7d19-9fb7-58f9ebee5880 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018020 |
| Status | PUBLIC |
Content hashes
| Canonical text | e024e041111f04d2e2c038c8aa585e82a7d336d1b45513b90a1d7f92cb031dac |
|---|---|
| Markdown | e314c83586ac0d38ed2b08b96bfdc162b088dc84e8e8220398102d6d8187a754 |
| Publication page | 140398948edc451f03c3c6c1ddde23d606735e54f92885c7a8820dae4f7e8b78 |
| Manifest | 1c1472a0e415e3c1394c66bc1a5e5c50a81bc359a8125529f62eb3f03bb06ef7 |
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 | kouBW6MQyo3YE3xqPVurJyv7c37yUNpDumQNLytjukqL0fI1Q0TrKx2DHG3GSHCyT+SqIftmiyhQqh49zadWDA== |
| 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
| 2026-09-17T12:02:02.718006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018020observed 140398948edc451f03c3c6c1ddde23d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:02.702700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018020/manifest.jsonobserved 1c1472a0e415e3c1394c66bc1a5e5c50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:02.685657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018020/publication.mdobserved e314c83586ac0d38ed2b08b96bfdc162...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:02.669366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018020/publication.txtobserved e024e041111f04d2e2c038c8aa585e82...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|