OT-2026-000052488
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052488) never changes.
Identity and time
| Publication number | OT-2026-000052488 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-700c-9aa0-237517be9270 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052488 |
| Status | PUBLIC |
Content hashes
| Canonical text | 879fb89b6100e7dca1a140c377ed46f8d97c93ca9dd03ac8d8d4768faac439c4 |
|---|---|
| Markdown | 71b4528124e603f335438fba464fa642bf4e958e5f93212e7e80d0475e417e66 |
| Publication page | 49464c1ac3082b923d9954686ec888c89a84e3b6e923067d9d690166a04e34f2 |
| Manifest | e32b3a5ba102a6395e8fc949cc795a8dbb804b4baf24cdb2101eb6f61e308079 |
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 | WteeQBtLjo8XUfDTcuP1ht7wbcwOs5Q3SSm+k/eyGSAq97eV0mCuOfV9MDeOZQ6xZu/g17pKmnB2N4EP/1X1BA== |
| 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
| 2026-09-17T10:57:07.344210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052488observed 49464c1ac3082b923d9954686ec888c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:07.325799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052488/manifest.jsonobserved e32b3a5ba102a6395e8fc949cc795a8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:07.307445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052488/publication.mdobserved 71b4528124e603f335438fba464fa642...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:07.288614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052488/publication.txtobserved 879fb89b6100e7dca1a140c377ed46f8...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. |
|---|