OT-2026-000020821
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000020821) never changes.
Identity and time
| Publication number | OT-2026-000020821 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7f77-8a4c-e085bb2e927b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020821 |
| Status | PUBLIC |
Content hashes
| Canonical text | feb3cfb1ea0444b02d7bc85de6c9693421b01588ba17eaea6ab663647640cfb1 |
|---|---|
| Markdown | e8bb249136f195a9c4a1c7fa2e1869cfa6abf6461e36fb0fc6ab7f879280ec5b |
| Publication page | dff3ba7d82141e7d74c36dd6679abe3f9244d8e7c8673e9942710d3633be35d1 |
| Manifest | 3c511b83fe1dd465df1feac556ddd2108434088bb41a2651f3736b4a3749986e |
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 | ja+HuObhEAIkYS75bGTUbZ8n/hY+7cTfz8fv9MALOU8kvAdo9eKPX98Fp/PLa3yMvbMQ0Xar1f/h04akcLRPBg== |
| 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
| 2026-09-17T11:55:54.830342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020821observed dff3ba7d82141e7d74c36dd6679abe3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:54.812449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020821/manifest.jsonobserved 3c511b83fe1dd465df1feac556ddd210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.795287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020821/publication.mdobserved e8bb249136f195a9c4a1c7fa2e1869cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.777367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020821/publication.txtobserved feb3cfb1ea0444b02d7bc85de6c96934...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. |
|---|