OT-2026-000055688
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-2026-000055688) never changes.
Identity and time
| Publication number | OT-2026-000055688 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a103-7b32-b6f6-f31327b9a9f1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055688 |
| Status | PUBLIC |
Content hashes
| Canonical text | a47cd483252c6ab4edbcd8ce58d636a314753141c6b36d415bea7938b28880b2 |
|---|---|
| Markdown | 0b39b8cb14e86c3f2cdf673bc10ff3d265b440990cba92eea4733d6691142db4 |
| Publication page | bd211e64c326f2acb2c2a0283caf32ffecf19661dc28d1b2219151b74fd9143d |
| Manifest | 4757c067bd80e70e0b6cea392d9fd9c64cfa8546c244fabbf7952146346af73e |
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 | 3Obj0BSfJO75EWdNhL6sUwcFmU3t0Qr548wkCfLfSHiebI1LVkBcj1JZj26ZYoGMFnLlxaUdNUqZwnaU5KV7Dg== |
| 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
| 2026-09-17T10:52:59.984424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055688observed bd211e64c326f2acb2c2a0283caf32ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:59.880813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055688/manifest.jsonobserved 4757c067bd80e70e0b6cea392d9fd9c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:59.860854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055688/publication.mdobserved 0b39b8cb14e86c3f2cdf673bc10ff3d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:59.843173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055688/publication.txtobserved a47cd483252c6ab4edbcd8ce58d636a3...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. |
|---|