OT-2026-000021520
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000021520) never changes.
Identity and time
| Publication number | OT-2026-000021520 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-782c-83a5-968548a35724 · 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-2026-000021520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fe39646382516700985ada87d0e5c78dfa37c10d9a531f8699484788c58f7cb |
|---|---|
| Markdown | fad001f6ad4caedba54a81d501019339d9ff75b9d693224b0694600b1f7e14fb |
| Publication page | debd350b7e930c9258decf3c7711f26d89c6f1b19abec274f7e2cd31114e7ccf |
| Manifest | ef39024ba9578dfd7ddcd9363e15087b0734531777d4989f98028609eeed740f |
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 | wOZOu+esCwk58UK8AK/4vE45XhbDPw/RtffaRE+k4m9XJIEtH/vRwH2zDcg+Wb6ZfNi3FGDPVlBhbAF4ckXMBA== |
| 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
| 2026-09-17T11:55:26.301412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021520observed debd350b7e930c9258decf3c7711f26d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:26.284135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021520/manifest.jsonobserved ef39024ba9578dfd7ddcd9363e15087b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.266022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021520/publication.mdobserved fad001f6ad4caedba54a81d501019339...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.248383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021520/publication.txtobserved 8fe39646382516700985ada87d0e5c78...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. |
|---|