OT-2026-000054221
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054221) never changes.
Identity and time
| Publication number | OT-2026-000054221 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-74ad-9df1-d35bd5b3c471 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054221 |
| Status | PUBLIC |
Content hashes
| Canonical text | fdf43a6f947cb919922fc27a29dfd6b9c732e1761002caec08c9a572727c8db3 |
|---|---|
| Markdown | 00597f97c307129a6260cba15f16d2d28e153570fc3825b6af22f11075503228 |
| Publication page | aaeee32d6481849ae210855f1ae7f0cf7c0726856b9281377aadfd4a4572619f |
| Manifest | 94b9985e99ca543a350e6e7fde3d21d7420361047b965aa827f8d97dc9c64de7 |
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 | 6ludsWcEq9ivxEFZ8j5qxl/9vZ35rwdoJZhaCkI/2DDxEqc9eM33r78zujvvzxeynyiKzFG+cPwuZMvEFTOMBw== |
| 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
| 2026-09-17T10:54:42.061595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054221observed aaeee32d6481849ae210855f1ae7f0cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:42.042657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054221/manifest.jsonobserved 94b9985e99ca543a350e6e7fde3d21d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:42.022181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054221/publication.mdobserved 00597f97c307129a6260cba15f16d2d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:42.002013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054221/publication.txtobserved fdf43a6f947cb919922fc27a29dfd6b9...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. |
|---|